The aftermath of a blast at dawn.<br/> <br />The huge explosion hit military intelligence headquarters in Libya's eastern city of Benghazi.<br/> <br />Witnesses saw a car drive behind the building seconds before the blast that punched out large holes in the exterior walls.<br/> <br />There were no reported causualties in the second attack on the intelligence HQ in the past two months.<br/> <br />Sarah Wali, Reuters
