At least four people were killed and 39 injured when a passenger bus fell into a ravine in Quezon province before dawn Sunday, police said. The incident occurred at 2:30 A.M. while the bus was traveling from Tacloban City to its terminal in Quezon City. said Quezon police chief Senior Superintendent Erickson Velasquez. “The bus from Tacloban City heading to its terminal in Cubao when it fell into a ravine at 2:30 A.M.,” Velasquez said in an interview on dzBB radio. “About 39 were injured and four were killed in this incident,” he said. He said the bus driver lost consciousness and that the police were waiting for the bus driver to wake up for investigation.