One of Pakistani President Asif Ali Zardari's most trusted aides is killed in Karachi Wednesday.<br/> <br />Police say he was killed in a suspected suicide bombing as he stopped his armored vehicle to buy some fruit.<br/> <br />About a dozen other people were wounded in the blast.<br/> <br />No one is immediately claiming responsibility for the attack, which took place on the eve of the start of the holy Muslim month of Ramadan.<br/> <br />The latest wave of attacks across Pakistan has brought an end to a period of relative calm after Pakistan's first ever transition between elected civilian governments.<br/> <br />It was the first attack in Karachi since mid-June.
