He was found guilty of 34 counts of falsifying business records to commit election fraud. As it stands, he is due to be sentenced in this case later in November.
Mr Trump, who is due to be inaugurated as president in January, has also been embroiled in other state and federal criminal cases, as well as civil cases. He has pleaded not guilty to charges against him and alleged prosecutions are politically motivated.
Experts say it is likely the federal cases at least will “go away”.
‘Hush money’ – state case
This is the case relating to Stormy Daniels, for which Trump was found guilty of covering up his then lawyer’s $130,000 (£99,000) payment for her silence before the 2016 election, about a sexual encounter she alleges they had a decade earlier.
Trump is due to be sentenced in New York on 26 November – and could face up to four years in prison. His lawyers are now expected to ask Justice Juan Merchan to delay the hearing.
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Initially set for July, Judge Merchan has already twice postponed the sentencing. This is in part due to a US Supreme Court ruling made in July, finding that presidents have broad immunity from prosecution over their official acts.
Mr Trump argues the case should be dismissed based on this, which prosecutors dispute.
Election subversion – federal case
Donald Trump is also charged with attempting to overturn his defeat in the 2020 election, which he lost to Joe Biden.
He has pleaded not guilty to criminal charges accusing him of a conspiracy to obstruct the process to collect and certify the results.
He was accused of using “dishonesty, fraud, and deceit” and spreading “pervasive and destabilising lies about election fraud”.
Again, this case has been slowed by the US Supreme Court ruling on presidents and immunity.
While he was there, he had his mugshot and fingerprints taken before being released on bail. Speaking to media afterwards, he said: “What has taken place here is a travesty of justice. We did nothing wrong. I did nothing wrong and everybody knows that. I’ve never had such support.”
The election result in Georgia was memorably close, triggering two recounts, but ultimately Mr Biden won by 11,779 votes – or 0.23% of the five million cast.
It was certified by both Georgia’s Republican governor Brian Kemp and secretary of state Brad Raffensperger. But Mr Trump did not accept the result.
Prosecutors used state racketeering laws, developed to fight organised crime, to charge him and others, including his former lawyer Rudy Giuliani.
Mr Trump and eight of his 14 co-defendants in the case are appealing. They are seeking to disqualify the lead prosecutor, Fulton County District Attorney Fani Willis, over alleged misconduct.
Misuse of classified documents – federal case
Mr Trump had also faced charges over classified documents he allegedly took from the White House, including deleting CCTV footage of his staff moving boxes at his Florida home.
Details on the US nuclear weapons programmes, potential vulnerabilities of the nation and its allies, and plans for retaliatory military attacks were in some of the documents, the federal indictment said.
Prosecutors are appealing.
Civil cases
He is also appealing several civil lawsuits totalling more than $500m (about £388m), which likely won’t be affected by his win.
These include a civil fraud case in New York state, and cases brought by writer E Jean Carroll, who sued him for allegedly sexually assaulting her in the 1990s, and defaming her while he was president the first time.
The appeals court is expected to rule in the sexual assault case first, with the ruling expected at any time, according to NBC.
Mr Trump is also facing eight pending civil suits related to the attack on the US Capitol on 6 January 2021, following his complaints of voter fraud in the 2020 election.
No trial date has been set, but with appeals these could take months or even longer to be determined, NBC reports.
So what happens now?
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1:07
March 2024: Donald Trump on presidential immunity
Expertssay his election victory will essentially end the criminal cases brought against him, at least for the time he occupies the White House.
He has previously said that should he become president again, he would fire US Special Counsel Jack Smith – who led thefederal prosecutions – “within two seconds” of being sworn in.
While he will indeed have the authority to fire Mr Smith and shut down the federal cases, he will not have the same control over state cases in New York and Georgia.
However, being the US president is a unique position, and means it is unlikely he will face legal consequences in either case during his term in office.
Does that mean he gets off?
Sky News US correspondent James Matthews says this is a possibility, although he adds that the two state cases “are more complicated”.
As president, Mr Trump would have the power “to appoint officials of his choice at the Department of Justice,” Matthews added, and it is “probably fair to say their brief would include dropping the two federal cases”.
Can Trump pardon himself?
This is also a possibility, Matthews said. It falls within the power of the president, although a self-pardon has never been tested legally.
The issue of a pardon doesn’t apply in state cases – however, the conviction and prosecution are weakened by the Supreme Court ruling.
“Nor can evidence of official acts be used in evidence to support the prosecution of a crime committed out of office,” Matthews said.
“In both the New York appeal and Georgia case, expect Trump’s lawyers to point to evidence used to convict him – phone calls and behaviour whilst in the role of president – and claim it relates to official acts and, under the Supreme Court ruling, should be ruled inadmissible.”
Danny Cevallos, legal analyst for Sky News’ US partner NBC, said he could say with “a lot of confidence” that the federal cases “are going to go away”.
Mr Trump could appoint an attorney general “who will simply do his bidding and dismiss the case,” he said, or he could instruct the justice department “to not even bother with the appeal of the already dismissed federal case. Those cases are, for all intents and purposes, gone”.
Next up, the hush money case. Even if sentencing does happen on 26 November, “in all likelihood, it’s not a case that he’s going to get prison time”, Mr Cevallos said, due to a number of factors.
He added: “You have someone over 75 years old, no guns, no drugs, no violence… in the spectrum of criminals who might be able to get a probation-only or house arrest sentence, Donald Trump is in a high likelihood. That’s even if the case goes forward this month for sentencing, it might not.”
Finally, the case in Georgia is “mired in appeal”, Mr Cevallos said.
“In all likelihood, those cases will be put on pause. And four years from now, who knows what the political situation will be in Fulton County, Georgia.”
Fulton County is “not good at speedy trials in complex cases,” he added, so “Donald Trump’s case may never see the light of day in Georgia”.
Slovakia’s prime minister has drawn criticism from across Europe and from his own people after his surprise visit to Moscow for face-to-face talks with Vladimir Putin on Sunday.
Robert Fico is only the third EU leader to visit Mr Putin in Moscow since the Russian president ordered the invasion of Ukraine in February 2022.
The Kremlin said the two leaders discussed “the international situation” and Russian natural gas deliveries.
Russian natural gas still flows through Ukraine and to some other European countries, including Slovakia, under a five-year agreement signed before the war that is due to expire at the end of the year.
Volodymyr Zelenskyy told EU leaders last week that Ukraine had no intention of renewing the deal, which Mr Fico insisted would hurt Slovakia and its interests.
He said his visit to Moscow was a reaction to Mr Zelenskyy’s statement and that Mr Putin had told him that Russia was still ready to deliver gas to the West.
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0:24
Putin ‘ready’ to talk to Trump
‘It smells like treason’
In Slovakia’s capital, Bratislava, people took to the streets to protest after the meeting, with banners in support of Ukraine as well as unflattering depictions of Mr Fico on display.
One sign simply read: “It smells like treason.”
Mr Zelenskyy said the “unwillingness” shown by Mr Fico to replace Russian gas is a “big security issue” for Europe, and questioned the potential financial incentives being offered to the Slovak leader.
“Why is this leader so dependent on Moscow? What is being paid to him, and what does he pay with?,” Mr Zelenskyy said.
In his nightly address on Monday, Mr Zelenskyy said that Mr Fico had received an offer of compensation for losses from the expiring transit deal, but that he “did not want compensation for the Slovaks”.
In a statement, Ukraine’s foreign ministry said the “weakness, dependence and short-sightedness” of Mr Fico’s energy policy is a “threat to the whole of Europe”.
The Slovak leader’s “persistent attempts” to maintain energy dependence on Moscow is “surprising” and represents a “shameful policy of appeasement”, the Ukrainian ministry added.
The Czech government also criticised Mr Fico’s trip to Moscow, pointing to its own decision to wean itself off Russian energy.
“It was the Czech government that secured independence from Russian energy supplies so that we wouldn’t have to crawl in front of a mass murderer,” Czech foreign minister Jan Lipavsky said.
In early December 1955, the phone rang at an air base in Colorado Springs. The officers on the watch floor of the Continental Air Defense Command (CONAD) – who were defending the skies above the US and Canada – stiffened.
The Cold War was in full swing and tensions were running high.
The command’s director of operations Colonel Harry Shoup answered the call. On the other end was a child’s voice asking: “Is this Santa Claus?”
According to the colonel’s daughter Terri Van Keuren, now 75, her father initially thought it was a prank, and replied: “I’m the commander of the Combat Alert Center. Who’s this?”
In response, the child started crying and asked if he was one of “Santa’s helpers”.
The colonel then decided to play along, replying that he was indeed Santa Claus and mustering a convincing “ho-ho-ho”.
This surprise call started the nearly 70-year tradition of the Santa Tracker, which allows children around the world to track the whereabouts of Father Christmas via a livestream and a phone line answered by volunteers.
It is now run by CONAD’s successor, the North American Aerospace Defence Command (NORAD).
But how did a child seemingly get the phone number of a colonel in the US air force?
The American department store Sears had printed an advert in a local newspaper telling children they could call Santa, Terri explains.
“They had printed one digit wrong in the phone number. And it was dad’s top secret number.”
Colonel Shoup called the phone company and asked for a new number for his office.
Meanwhile, the phone at CONAD was “ringing off the hook” and Colonel Shoup told his staff they were to answer the calls as Santa Claus.
In the story told by Terri, on 24 December that year her parents arrived at the base to deliver cookies to those on duty, and found the military establishment unusually festive.
A picture of a sleigh had been drawn by a map writer on plexiglass – which was used to mark where unidentified flying objects were located.
“Next thing they knew, dad was calling the radio station. ‘This is Colonel Shoup, the commander of the Combat Alert Center in Colorado Springs. And we have an unidentified flying object. Why, it looks like a sleigh’,” says Terri.
Terri, who lives in Castle Rock, Colorado, was six years old when her father became the “Santa Colonel”. She says the NORAD Santa Tracker, which reaches millions of children around the world every year, is his “legacy”.
NORAD’s tracking of Santa is a military operation in itself beginning on 1 December.
Brigadier General Jocelyn Schermerhorn, a senior US military officer in Canada, tells Sky News how the day unfolds on Christmas Eve.
“We have about a thousand people come together to set up the operations centre that is used to track Santa and that allows anyone to call in to check on his whereabouts”.
Volunteers are responsible for answering calls from tens of thousands of children around the world. In 2022, 78,000 calls were answered at Peterson Space Force Base.
For 10 years Terri was one of these volunteers. “I always wore a t-shirt that had a picture of my dad. It says: ‘My dad’s the Santa Colonel’.”
What’s next for the Santa Tracker? Terri says her father’s festive story is so famous she’s “had several requests to make a movie out of it”.
Head to Sky News’ YouTube and other social media channels to watch NORAD’s Santa Tracker and find out where he is in the world delivering presents.
The sister of a British man who has been missing in Spain for nine days has said “panic” is setting in.
Courtney George last spoke to her brother John Hardy on Saturday 14 December, around the time she believes he was due to drive from Alicante to Benidorm.
She reported him missing after he failed to get on his flight home on Wednesday 18 December.
Mr Hardy, from Belfast, has several tattoos, including half a sleeve on his right arm and a panther on his torso.
Police in Northern Ireland have confirmed a 37-year-old is believed to be missing.
Ms George said her brother, who has two sons, would “never” go so long without contacting her.
“Another day waking up hoping what is going on is a nightmare, but realising this is real life. The panic sets in,” she wrote on Facebook yesterday.
“Another day, no contact from John – never ever would this happen… What’s Christmas without family? My big brother hasn’t just vanished! That doesn’t happen!”
She added today his sons “need to know” where their dad is.
She continued: “There will be no Christmas for my family. The only thing we are focused on is getting our loved one back.”
The distressed Ms George is offering a reward for anyone with “any helpful information to find John”.
The Police Service in Northern Ireland said the force had “received a report on Wednesday, 18th December that a 37-year-old man from Belfast, holidaying in Spain, was believed to be missing”.
It added: “Enquiries are ongoing in conjunction with our international policing partners.”