Baloch separatist militants blew up a railway track and launched rockets at the Jaffar Express, which was carrying over 400 passengers.

At least six military personnel have been killed and 450 people have been taken hostage after the Balochistan Liberation Army, a militant group, attacked a train in Pakistan, according to a U.S. official.

The Pakistani government, facing a widening security crisis in the country’s restive southwest, has given little indication it intends to negotiate with the militants.

Pakistani authorities on Wednesday said an insurgent attack on a train carrying hundreds of people has ended, with all attackers killed following a daylong standoff. Some of the hostages taken were killed.

Pakistani security forces are carrying out a rescue operation to free dozens of passengers taken hostage by separatist militants who hijacked their train in the southwest of the country on Tuesday. Here is a look at what happened,

Pakistan’s restive southwestern province of Balochistan has been the scene of a yearslong insurgency, with a surge in attacks in recent years

Pakistan freed 190 hijacked train passengers held hostage Wednesday as the battle to free remaining hostages held by the militant group Baloch Liberation Army continued.