Pangani has a heavy Somali presence, and was targetted on December 14, 2013, when an explosion place in a mini bus, killing 6 and injuring 24. In January, 2014, a grenade attack on a nightclub had left several people injured.
Nairobi had seen another attack last year in September, when gunmen attacked the upmarket Westgate shopping mall, which saw 67 deaths, including the four attackers and over 180 injured.
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