Pakistani forces hunted separatist militants Tuesday who killed dozens when they pulled passengers off buses, blew up a bridge and stormed a hotel a day earlier. Militants in Balochistan took control of a highway and shot dead 23 people, mostly labourers from neighbouring Punjab province, attacked the hotel and the railway bridge which connects Balochistan to the rest of Pakistan. Security forces have been battling sectarian, ethnic and separatist violence for decades in impoverished Balochistan, but the coordinated attacks that took place in several districts throughout the province were one …