Pakistan army says it has freed more than 300 hostages from passenger train seized by militant group in Balochistan province This breaking news story is being updated and more details will be published shortly. Please refresh the page for the fullest version.

Security forces held off from full-out battles as militants wearing suicide vests loaded with explosives barricaded themselves inside the train with hostages in Balochistan

Helicopters were backing up Pakistani forces in the rugged region, said spokesman Shahid Rind, describing the attack as "an act of terrorism."