PakistanFour killed,56 injured in Karachi as bombs hit Pakistan Navy busesAbdul HafeezApril 26, 2011April 27, 2011 by Abdul HafeezApril 26, 2011April 27, 2011 Karachi: At least four people were killed and another 56 were injured in twin blasts, targeting Pakistan Navy buses in two different parts of the...