Smoke rises after what activists said was an airstrike on Atimah, Idlib province, March 8, 2015. An air strike in northwestern Syria hit a camp used by the al Qaeda-linked Nusra Front on Sunday, killing at least nine of its fighters, a monitoring group said, in the second big attack on the group there in four days.The Syrian Observatory for Human Rights said four of the dead were foreign fighters. The air strike hit close to Atimah at the Syrian border with Turkey in Idlib province. REUTERS/Ammar Abdullah (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)