ROUGH CUT (NO REPORTER NARRATION)
STORY: One of Pakistani President Asif Ali Zardari's most trusted aides was killed in a suspected suicide bombing in the volatile port city of Karachi on Wednesday as he stopped his armored vehicle to buy some fruit, police said.
A police officer in Pakistan's financial capital said Bilal Shaikh - Zardari's security chief who was always spotted next to the president during public appearances - was killed along with two others in a prosperous area of eastern Karachi.
About a dozen other people were wounded.
A police escort was accompanying Shaikh's white armored sports utility vehicle when the attack took place.
Police said an unidentified attacker walked up to the car and blew himself up just as Shaikh opened the door to get out.
Pakistan has suffered a spate of bombings since Prime Minister Nawaz Sharif was sworn in last month, underscoring the challenges facing the nuclear-armed nation in taming a Taliban-linked i