Photojournalist Tim Hetherington, 41, whose 2010 documentary Restrepo, about the war in Afghanistan, was nominated for the Best Documentary Oscar this year, died in a mortar attack in Libya on Wednesday. The Liverpool-born Hetherington was with several other journalists when the attack hit the city of Misrata. The condition of the others has not been confirmed.

“Tim was one of the bravest photographers and filmmakers I have ever met,” said ABC News’ James Goldston, who worked with Hetherington on Nightline. Restrepo won the Grand Jury Prize for Best Documentary at Sundance in 2010.

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