Suicide bomber kills 6 in Rawalpindi

8220;Apparently it was a suicide attack,and the attacker was on a motorcycle,8221; Durrani said,adding that the blast targeted a government bus.

A senior intelligence official told The Associated Press that the bus was carrying employees of the Pakistani military8217;s weapons-making department.

An AP reporter at the scene saw pieces of a charred motorbike lying on the ground,as well as a damaged bus,car and van. Shattered glass and twisted metal littered the road.

One witness,Mohammed Amin,said the motorcycle sped toward the bus before it detonated. 8220;I saw a motorcycle getting closer to the bus,and I thought it would be crushed under the bus,but suddenly it exploded,8221; said Amin,who was standing nearby. 8220;I saw flames and dust blowing up and people were crying for help.8221;

Islamist militants have carried out scores of bombing across Pakistan in recent years often targeting government security forces. Rawalpindi lies about 7 miles 12 kilometers from the capital,Islamabad.