The attack bears the hallmarks of al Qaeda , an Interior Ministry source says . Tuesday 's attack came as anti-government protests in Yemen continue to attract huge crowds . Tens of thousands took to the streets of Yemen 's capital , Sanaa , on Monday . TL;DR NEW The defense minister 's office had denied the August report .
The attack bears the hallmarks of al Qaeda , an Interior Ministry source says . Tuesday 's attack came as anti-government protests in Yemen continue to attract huge crowds . TL;DR NEW The defense minister 's office had denied the August report .