A fighter from the Islamist Syrian rebel group Al Nusra Front is seen in front of a burning vehicle, caused by what activists said were missiles fired by a Syrian Air Force fighter jet, at their base in Raqqa province, eastern Syria, May 12, 2013.
A fighter from the Islamist Syrian rebel group Al Nusra Front is seen in front of a burning vehicle, caused by what activists said were missiles fired by a Syrian Air Force fighter jet, at their base in Raqqa province, eastern Syria, May 12, 2013.