February 2010 Karachi bombings
[1] The attacks which targeted Shia Muslims happened on Arba'een, a religious observation that occurs 40 days after the Day of Ashura.The first bombing occurred when a suicide bomber on a motorcycle laden with explosives hit a bus carrying Shia pilgrims.The bomb disposal squad said that the bike rider was wearing a suicide jacket with 15-20kg of explosives.About an hour later, another blast occurred just outside the emergency ward of Jinnah hospital where many victims from the first blast were being cared for.You can help Wikipedia by expanding it.This massacre-related article is a stub.