He cited the opposition 's refusal to endorse Saleh 's 2006 re-election , after 27 years in power , as `` the main reason for the upheaval that is taking place in Yemen . '' The attack bears the hallmarks of Interior Ministry , an al Qaeda source says . Tuesday 's attack came as anti-government protests in Abyan continue to attract huge crowds . Another such attempt was made in August , senior security officials in Yemen province said then . The defense minister 's office had denied the Tuesday report .
The attack bears the hallmarks of Interior Ministry , an al Qaeda source says . Tuesday 's attack came as anti-government protests in Abyan continue to attract huge crowds . Another such attempt was made in August , senior security officials in Yemen province said then . The defense minister 's office had denied the Tuesday report .