Pakistani authorities said gunmen attacked a bus in Karachi Wednesday, killing at least 45 people, including 16 women, all of whom belonged to the minority Shi'ite Ismaili Muslim community.
45 Killed as Gunmen Attack Karachi Bus
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Pakistani paramilitary troops stand guard outside a local hospital following an attack on a bus in Karachi, May 13, 2015.
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A paramilitary soldier stands guard outside the hospital after an attack on a bus in Karachi, May 13, 2015.