Family members mourn the death of their relatives after a bomb blast, a day earlier, in a residential area in Karachi March 4, 2013. A suspected suicide bomber attacked Shi'ite Muslims as they were leaving a mosque in Pakistan's commercial capital on Sunday, killing at least 45 people, in another signal Sunni militants are escalating sectarian attacks. REUTERS/Athar Hussain (PAKISTAN - Tags: POLITICS CIVIL UNREST CRIME LAW) *** Local Caption *** PAK109_PAKISTAN-VIO_0304_11.JPG
Pakistani investigators collect evidence at the site of a bomb blast. Asif Hassan / AFP Photo
No one has claimed responsibility, but Sunni militants linked to Al Qaeda and the Taliban have targeted Shiites in the past, claiming they were heretics. Fareed Khan / AP Photo
The bomb exploded outside a Shiite mosque as people were leaving evening prayers, said police official Azhar Iqbal. Men, women and children were among those killed and wounded. EPA
Pakistani rescuers evacuate a victim from the site of the bomb blast Rizwan Tabassum / AFP Photo.
A bomb blast killed at least 45 people and wounded dozens of others yesterday in a neighbourhood dominated by Shiites in Karachi, Pakistani officials said. Asif Hassan / AFP Photo
nitial reports suggested the bomb was rigged to a motorcycle, although a survey of the damage indicates there could have been additional explosives planted at the scene. Several buildings nearby had caught fire. Asif Hassan / AFP Photo