Source:
AP KARACHI, Pakistan (AP) — Pakistani officials say a bomb blast has killed at least 20 people in a neighborhood dominated by Shiite Muslims in the southern city of Karachi.
Police official Azhar Iqbal says the bomb exploded Sunday outside a Shiite mosque as people were leaving evening prayers.
He says initial reports suggest the bomb was rigged to a motorcycle, but a survey of the damage indicates there could have been additional explosives planted at the scene.
Several buildings nearby caught fire.
Read more:
http://bigstory.ap.org/article/ap-newsalert-276 
