Roadside Bomb Blast Kills Five in Karachi, third this week

Security officials examine a bus after it was damaged by a bomb in Karachi April 28, 2011. The roadside bomb hit the bus carrying Pakistani navy officials in the port city of Karachi on Thursday, killing three people and wounding at least seven,Taliban militants in Pakistan extended their campaign of violence Thursday against the country's security forces, targeting the navy for the third time this week with a bombing that killed five in the southern city of Karachi ...