Blast Kills Senior Aide to Pakistan's President

A Pakistani soldier stands next to a damaged vehicle at the site of suicide bombing in Karachi, Pakistan, July 10, 2013. A suicide bomber attacked a vehicle carrying one of the Pakistani president’s guards in the southern city of Karachi Wednesday, killing him and two others.

A senior security aide to Pakistan's president has been killed in a suicide bombing in Karachi.

Bilal Sheikh, President Asif Ali Zardari's top security official in Karachi, was killed along with at least two others when his vehicle was targeted by a suicide bomber.

About a dozen people were also injured in the attack. Sheikh survived an assassination attempt last year.

The attack took place near an office of Zardari's Pakistan People's Party, which is headquarted in Karachi and rules southern Sindh Province.

Zardari, who has a residence in the city, was not near the site of the attack.