Blast aftermath
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Pakistan Karachi bomb blast kills dozens

3 March 2013 Last updated at 22:00 GMT

At least 45 people have been killed by a bomb explosion in the Pakistani city of Karachi, according to local police.

The blast in the mainly Shia Muslim area of Abbas Town destroyed several buildings and set others on fire. Some reports spoke of a second explosion.

Mike Wooldridge reports from Islamabad.