Moatassim Gadhafi, a son of ousted Libyan leader Moammar Gadhafi, was captured Wednesday after a four-hour firefight in Sirte, said Abdallah Naker, the head of the Tripoli Revolutionary Council, who cited field commanders in Sirte.

Moatassim Gadhafi and a number of aides were captured around noon in an area considered the center of operations for Gadhafi loyalists, Naker said. They were then taken to Benghazi. The scion had been directing operations in Sirte, the hometown of his father, which had been surrounded since Tuesday night, Naker said.

Col. Ahmed Bani, the official spokesman for the Ministry of Defense, said the capture had not been confirmed.

CNN teams in Tripoli and Sirte heard celebratory gunfire ring out as reports of the capture spread. From Benghazi, National Transitional Council spokesman Shamsiddin Abdulmolah said there was massive celebratory gunfire there, too.

But anti-Gadhafi forces have previously reported captures of Gadhafi relatives that proved to be untrue.

CNN’s Mohammed Fadel Fahmy contributed to this story