Libya's Col Muammar Gaddafi was killed in crossfire1 after being captured in his birthplace of Sirte, officials say.
利比亚官员称，卡扎菲在出生地苏尔特城被捕，随后在交火中被杀。
Acting2 Prime Minister Mahmoud Jibril said he had been shot in the head in an exchange between Gaddafi loyalists and National Transitional Council fighters.
He confirmed that Col Gaddafi, who had been taken alive, had died before reaching hospital.
Nato's governing body, meeting in the coming hours, is expected to declare an end to its Libyan bombing campaign.
Nato Secretary-General Anders Fogh Rasmussen said that with the death of Col Gaddafi "that moment has now moved much closer".
"After 42 years, Col Gaddafi's rule of fear has finally come to an end," he said. "I call on all Libyans to put aside their differences and work together to build a brighter future."
Wild scenes of celebration continued late into the night in towns and cities across Libya at news of the colonel3's death.
Groups of young men fired guns in the air, and drivers honked4 their horns in celebration.
In the capital, Tripoli, cars clogged（阻塞） the city centre.
Golden gun
Mr Jibril, number two in the National Transitional Council (NTC), held a news conference in Tripoli to confirm the colonel's death.
"We have been waiting for this moment for a long time. Muammar Gaddafi has been killed," he said.
Video footage suggests Col Gaddafi was dragged through the streets.
It is unclear from the footage, broadcast by al-Jazeera TV, whether he was alive or dead at the time.
Later, Mr Jibril told journalists that a "forensic5（法庭的） report" had concluded that the colonel had died from bullet wounds after he had been captured and driven away.
"When the car was moving it was caught in crossfire between the revolutionaries and Gaddafi forces in which he was hit by a bullet in the head," he said, quoting from the report.
"The forensic doctor could not tell if it came from the revolutionaries or from Gaddafi's forces."
Earlier, some NTC fighters gave a different account of the colonel's death, saying he had been shot by his captors when he tried to escape.
One NTC fighter told the BBC that he found Col Gaddafi hiding in a hole, and the former leader had begged him not to shoot.
The fighter showed reporters a golden pistol6 he said he had taken from Col Gaddafi.
Arabic TV channels showed images of troops surrounding two large drainage（排水） pipes where the reporters said Col Gaddafi was found.
US President Barack Obama said it was a "momentous7 day" for Libya.
He said the country had a "long and winding8 road towards full democracy", but the US and other countries would stand behind Tripoli.
Col Gaddafi was toppled from power in August after 42 years in charge of the country.
He was making his last stand in Sirte alongside9 two of his sons, Mutassim and Saif al-Islam, according to reports.
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