The fate of hundreds of passengers remained unknown more than 24 hours after separatist militants in Pakistan’s restive southwestern Balochistan province seized a train carrying more than 400 people,

Pakistani officials say security forces have exchanged gunfire with hundreds of separatist militants, seeking to free about 250 hostages aboard a train in the country’s rugged southwest.

Pakistani authorities ended a day-long insurgent standoff on a train in Balochistan. Over 300 hostages were rescued, but some were killed during the attack. The Baloch Liberation Army claimed responsibility,