Aden: Two suspected Al Qaida suicide bombers were killed on Friday in Yemen's main southern city of Aden when their payload exploded outside an intelligence bureau they were targeting, the defence ministry said.

"Two suicide bombers belonging to the Al Qaida terrorist network were killed when their motorbike exploded... early Friday in Mansura," the ministry's news website 26sep.net said, adding their intended target was a branch of the political security services.

No other casualties were reported.