Pakistan's Foreign Office on Thursday accused India of being behind the hijack of the Jaffar Express in Balochistan, in which 21 passengers and four paramilitary soldiers were killed by Baloch militants.

ISLAMABAD — Pakistan’s neglected southwestern province of Balochistan has been the scene of a yearslong insurgency, with a dramatic uptick in attacks in recent years underscoring the struggles the government in Islamabad faces in dealing with myriad security threats.

Citing security sources, state broadcaster PTV reported militants were holding passengers hostage in the train, which was trapped inside a tunnel. A clearance operation was ongoing. The Baloch Liberation Army,