A powerful bomb exploded near a railway track as a train carrying passengers passed through the southwestern Pakistani city of Quetta on Sunday, wounding more than two dozen people, officials said.

More than 30 people died in a suicide bombing of a train in southwestern Pakistan on Sunday, officials said on Monday, in the ​latest attack claimed by separatist Balochistan militants.

The attack in the provincial capital of Quetta had also left more than 50 people injured, the official told AFP news agency.