The attack bears the name of al Qaeda , an Interior Ministry official says . Tuesday 's attack came as anti - government protests in Baghdad began to draw huge crowds . Another such attack was made in August , senior security officials in Abyan province said then . 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 . Another such attempt was made in August , senior security officials in Abyan province said then . The defense minister 's office had denied the August report .