The suspect, named by police as Colt Gray, was a student at Apalachee High School, in Barrow County, where the attack took place, leading to the school being placed on lockdown and officers swarming the location before he gave himself up.
The four victims who died have been named as students Mason Schermerhorn and Christian Angulo, both 14, and teachers Richard Aspenwall, 39, and Christina Irimie, 53.
Christian was described as “a very good kid and very sweet and so caring” by his older sister Lisette Angulo.
“He was so loved by many. His loss was so sudden and unexpected.. We are truly heartbroken.. He really didn’t deserve this,” she added.
Suspect previously interviewed
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In May last year, the FBI received several anonymous tips about online threats to commit a school shooting, Chris Hosey, director at the Georgia Bureau of Investigation said.
The Jackson County Sheriff’s Office located a possible suspect, he said – the then 13-year-old Gray.
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They interviewed Gray and his father, who stated he had hunting guns but that his son didn’t have unsupervised access to them.
Gray himself denied making the threats online and at the time there was no probable cause for arrest and no further action was taken, Mr Hosey said.
Now, authorities are re-investigating the incident and any possible connection it may have to the most recent shooting.
“We are also aware of some previous contacts that the Department of Family and Children Services had had with the suspect and his family, and we are pursuing that avenue as well,” Mr Hosey added.
Nine people, eight students and one teacher, were taken to hospital with injuries from the attack, but it was said that they are all expected to make a recovery.
Gray is being charged as an adult and the attack was carried out using an AR-style weapon – a gun often associated with school shootings.
While police are still chasing down a number of leads, and carrying out their investigations, they said that the actions of teachers saved a number of lives.
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Grandmother of student on Georgia shooting
Authorities were alerted to the attack due to a new alarm system that had only been implemented a week earlier.
Sheriff Jud Smith said: “All of our teachers are armed with a form of ID, this alarms us and alerts law enforcement officers after buttons are pressed on the ID.
“It alerts us there is an active situation at the school. We’ve had that about a week now.”
‘Just so you know, I love you’
The words “hard lockdown” appeared on a screen in Layla Ferrell’s health class as lights began flashing.
She and her terrified classmates piled desks and chairs in front of the door to create a barrier, she said.
Meanwhile, Kaylee Abner was in her geometry class when she heard gunshots.
Along with her classmates she hid behind their teacher’s desk, before they began flipping the desk to try and barricade the classroom door, she said.
Blasts have been heard in Beirut a day after 12 people were killed by pager explosions across Lebanon.
Reuters has cited a security source and a witness as saying communications devices used by Hezbollah have detonated in the country’s south and in the southern suburbs of the capital.
Hezbollah’s Al Manar TV reported explosions in multiple areas of Lebanon, which it said were the result of walkie-talkies detonating.
At least one of the blasts heard took place near a funeral organised by Hezbollah for those killed yesterday, Reuters said.
Three people were also reportedly killed in Lebanon’s eastern Bekaa region in the latest wave of attacks, according to Reuters, citing the country’s state news agency.
This comes after nearly 3,000 people were injured and 12 killed by pager explosions in Lebanon on Tuesday.
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Two children were said to be among the dead, according to Lebanese health minister Firas Abiad.
This breaking news story is being updated and more details will be published shortly.
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A firm in Hungary’s capital has been linked to thousands of pagers that exploded in Lebanon in an apparent Israeli operation targeting Hezbollah militants, killing 12 people and seriously injuring thousands.
Images of the destroyed devices showed a format and stickers consistent with the AR-924 model of pagers with Gold Apollo branding – a Taiwan-based company.
But the firm’s founder Hsu Ching-Kuang said the devices were actually made under licence in Budapest by a firm called BAC Consulting, using the Gold Apollo name.
BAC’s address in Budapest is a small gated building.
In a statement given to Sky News in Taiwan, Gold Apollo said: “Apollo Gold Corporation has established a long-term private label authorisation and regional agency cooperation with BAC.
“According to the agreement, we authorise BAC to use our brand trademark for production sales in specific regions, but the design and manufacturing of the products are entirely handled by BAC.”
Asked about the pagers and the explosions, the CEO of BAC Consulting Cristiana Barsony-Arcidiacono told Sky News: “I don’t make the pagers. I am just the intermediate. I think you got it wrong.”
A Sky News reporter in Budapest saw people arriving at the BAC Consulting property this morning who identified themselves as plain-clothes officers and asked not to be filmed.
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Neighbours said they hadn’t seen anyone going in or out of the building for several weeks until today.
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Explosion at Lebanon market
Twelve people were killed and thousands seriously injured when pagers across Lebanon exploded on Tuesday.
Lebanon’s health minister said as many as 2,800 had been wounded. Some 300 people are in critical condition, with injuries to their eyes and face, while some have had body parts amputated.
The senior source said the militant group had ordered 5,000 beepers which several other sources said were brought into Lebanon in the spring.
They claimed the devices had been modified by Israel’s spy service “at the production level”.
Another security source told Reuters up to 3g of explosives were hidden in the new pagers that went “undetected” by Hezbollah for months.
Lebanese officials laid the blame on “Israeli aggression”, while Hezbollah promised to retaliate, insisting Israel would receive “its fair punishment” for the blasts.
Hezbollah and Israel have been engaged in a cross-border conflict since Hamas attacked Israel on 7 October – sparking the Israel-Hamas war in Gaza – fuelling fears of a wider war in the Middle East.
Israel’s Mossad spy agency planted a small amount of explosives inside thousands of pagers ordered by Hezbollah months before the devices exploded, a Lebanese security source has told the Reuters news agency.
The senior source said the militant group had ordered 5,000 beepers which several other sources said were brought into Lebanon in the spring.
The same source claimed that the devices had been modified by Israel’s spy service “at the production level”.
A second security source told Reuters that up to 3g of explosives were hidden in the new pagers that went “undetected” by Hezbollah for months.
Details from the Reuters report are similar to one by the New York Times, which cited American and other officials.
Images of the destroyed devices analysed by Reuters showed a format and stickers that were consistent with the AR-924 model of pagers with Gold Apollo branding – a Taiwan-based company.
The firm’s founder Hsu Ching-Kuang said the devices were actually made under licence in Europe by a firm called BAC, using the Gold Apollo name.
In a statement given to Sky News in Taiwan, the company said: “Apollo Gold Corporation has established a long-term private label authorisation and regional agency cooperation with BAC.
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“According to the agreement, we authorise BAC to use our brand trademark for production sales in specific regions, but the design and manufacturing of the products are entirely handled by BAC.”
Apollo Gold declined to give further details of the European firm.
The model, like other pagers, wirelessly receives and displays text messages but cannot make telephone calls.
Firas Abiad said 200 of the 2,750 wounded were in a critical condition.
Lebanese officials laid the blame on “Israeli aggression”, while Hezbollah promised to retaliate insisting Israel would receive “its fair punishment” for the blasts.
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‘Around 2,750’ injured in pager blasts
The Israeli military, which has been engaged in cross-border fighting with Hezbollah since the start of the war in Gaza in October last year, has refused to respond to questions about the detonations.
Experts broadly agree that the blasts do not look like a typical lithium battery fire.
Keren Elazari, a hacker and security researcher at Tel Aviv University, told Sky News: “There is no remote hacking capability that could generate that kind of kinetic explosion… some sort of a physical explosive component was probably part of the equation.”
Bomb disposal expert and former British army officer Chris Hunter added that his initial theory – based on injuries – suggests the blasts are “consistent with one to two ounces of high explosive”.
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Ambulances at scene of pagers explosion
“We’ve seen this sort of similar MO [particular method] with mobile devices before,” he said, pointing to the assassination of Hamas master bomb maker Yahya Ayyash whose mobile phone had been laced with a small amount of explosives.
Hezbollah fighters would have considered pagers a lo-fi, harder to infiltrate alternative to mobile phones, according to Sky News’s Middle East correspondent Alistair Bunkall.
It comes after Hezbollah leader Hassan Nasrallah previously warned the group’s members in February not to carry mobile phones because Israel could use them to track their movements.