Pakistani authorities say insurgents who seized a train have killed some of the hostages

QUETTA, Pakistan (AP) — Pakistani authorities on Wednesday said insurgents who ambushed a train carrying hundreds of people have killed some of the hostages, as a standoff continued with the separatists wearing explosive-laden vests and barricaded with about 250 passengers. Security officials gave no details about the killings a day after the separatists attacked the train in a tunnel in a remote part of southwestern Balochistan province. The officials spoke on condition of anonymity because they were not authorized to speak to the media. The separatist Baloch Liberation Army claimed responsibility for the attack. Spokesman Jeeyand Baloch said the group…