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Tara Todras-Whitehill, Associated Press
A journalist adjusts a microphone during a press conference held by Libyan Deputy Foriegn Minister Khaled Kaim, left, in Tripoli, Libya, Wednesday, July 27, 2011. Britain has officially recognized Libya's main opposition group as the country's legitimate government, the U.K. foreign secretary said Wednesday, announcing the expulsion of all diplomats loyal to Moammar Gadhafi's regime.

BENGHAZI, Libya — A special forces member under the command of the Libyan rebels' slain military chief has accused a rebel faction in the killing.

Mohammed Agoury told The Associated Press on Friday that he was present when a group of rebels from a faction known as the February 17 Martyrs' Brigade came to Abdel-Fattah Younis' operations room and took him away with them for interrogation.

Agoury accused the group of killing Younis and dumping his body outside Benghazi.

The accusation could mark a split among the rebel movement that controls eastern Libya and has been locked in a military stalemate with forces of Moammar Gadhafi.