A still image taken from amateur video posted on a social media website and obtained by Reuters on October 21, 2011, shows former Libyan leader Muammar Gaddafi, held on the ground by opposition fighters in Sirte, with a gun pointed at his head.

A still image taken from amateur video posted on a social media website and obtained by Reuters on October 21, 2011, shows former Libyan leader Muammar Gaddafi, held on the ground by opposition fighters in Sirte, with a gun pointed at his head.

© 2011 Reuters