Dayle Haddon – the actor, activist and former Sports Illustrated model – has died from what authorities believe was carbon monoxide poisoning.

Authorities found the 76-year-old dead in a second-floor bedroom on Friday morning after emergency dispatchers were notified about a person unconscious at the house in Solebury Township, Pennsylvania.

A 76-year-old man, later identified as Walter J Blucas, of Erie, is in a critical condition.

Responders detected a high level of carbon monoxide in the property.

Investigators believe the leak was caused by “a faulty flue and exhaust pipe on a gas heating system”.

As a model, Haddon appeared on the covers of Vogue, Cosmopolitan, Elle and Esquire in the 1970s and 1980s, as well as the 1973 Sports Illustrated swimsuit issue.

She also appeared in about two dozen films from the 1970s to 1990s, including 1994’s Bullets Over Broadway, starring John Cusack.

Haddon left modelling after giving birth to her daughter, Ryan, in the mid-1970s, but then had to re-enter the workforce after her husband’s 1991 death.

This time, she found the modelling industry far less friendly: “They said to me, ‘At 38, you’re not viable’,” Haddon told The New York Times in 2003.

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Working for an advertising agency, she began reaching out to cosmetic companies, telling them there was a growing market to sell beauty products to aging baby boomers.

She eventually landed a contract with Clairol, followed by Estee Lauder and then L’Oreal, for which she promoted the company’s anti-aging products for more than a decade.

She also hosted beauty segments for CBS’s The Early Show.

In 2008, Haddon founded WomenOne, an organisation aimed at advancing educational opportunities for girls and women in marginalised communities, including in Rwanda, Haiti and Jordan.

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Haddon’s daughter, Ryan, said in a social media post that her mother was “everyone’s greatest champion. An inspiration to many”.

“A pure heart. A rich inner life. Touching so many lives. A life well lived. Rest in Light, Mom,” she said.

The director of one of the last functioning hospitals in northern Gaza was arrested in a raid the Israeli military said was targeting a Hamas command centre.

The Hamas-run Palestinian health ministry said Dr Hussam Abu Safiya, director of Kamal Adwan Hospital, was held by Israeli forces on Friday along with dozens of other staff and taken to an interrogation centre.

Sky News has spoken to patients who say they were forced outside and told to strip in winter weather after troops stormed the hospital.

Israel‘s military said it “conducted and completed a targeted operation” as the hospital was being used as a command centre for Hamas military operations.

An Israel Defense Forces (IDF) statement said more than 240 terrorists were detained, some of whom tried to pose as patients or flee using ambulances.

Among those taken for questioning are the hospital’s director, who it said was suspected of being a “Hamas terrorist operative”.

Around 15 people involved in last year’s 7 October attack on southern Israel, in which around 1,200 people were killed and 250 others abducted, were also detained, the IDF said.

The Israeli military said hundreds of patients and staff were evacuated to another hospital before and during the operation, and it had provided fuel and medical supplies to both hospitals.

Militants fired on its forces and they were “eliminated”, while weapons, including grenades, guns, munitions, and military equipment, were also seized in the raid, it said.

The Israel-Hamas war has killed more than 45,400 Palestinians, over half of them women and children, and wounded more than 108,000 others, according to the health ministry, which does not distinguish between civilians and combatants.

The hospital has been hit multiple times over the past three months by Israeli troops waging an offensive in largely isolated northern Gaza against Hamas fighters it says have regrouped.

The health ministry said a strike on the hospital earlier this week killed five medical personnel.

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The World Health Organization (WHO) said it was “appalled” by Friday’s raid, which it said put northern Gaza’s last major health facility “out of service”.

“The systematic dismantling of the health system and a siege for over 80 days… puts the lives of the 75,000 Palestinians remaining in the area at risk,” a statement said.

The Israeli military said in a statement: “The IDF will continue to act in accordance with international law regarding medical facilities, including those where Hamas has chosen to embed its military infrastructure and conduct terrorist activities in blatant violation of international law.”

Israeli Prime Minister Benjamin Netanyahu will go into hospital to have his prostate removed, his office has said.

The 75-year-old was diagnosed with a urinary tract infection resulting from a benign prostate enlargement.

Mr Netanyahu is expected to go into hospital on Sunday to undergo the operation.

Earlier this year, he had surgery for a hernia and had a pacemaker fitted last year.

The announcement comes after the Israeli military raided one of the last functioning hospitals in northern Gaza, arresting its director.

Israel has been at war with Hamas for more than 14 months since the 7 October attacks in which around 1,200 people were killed and 250 others abducted.

More than 45,400 Palestinians, over half of them women and children, have been killed and more than 108,000 others wounded, according to the Hamas-run Palestinian health ministry, which does not distinguish between civilians and combatants.