Railway station bombing in Pakistan kills at least 17 people

Security officials examine the site of a bomb explosion at a railway station in Quetta, southwestern Pakistan (Arshad Butt/AP)

A powerful bombing at a railway station in south western Pakistan killed 17 people and wounded 30 others, police and government officials said.

Mohammad Baloch, a senior police officer, said a bomb exploded when passengers were waiting for a train to travel to the garrison city of Rawalpindi from Quetta, the capital of the restive Balochistan province