Manhunt continues for murderer who escaped prison bus after stabbing driver

Gonzalo Lopez is on the run after escaping a prison bus (Texas Department of Criminal Justice/AP)

The manhunt continues for a murderer who escaped a Texas prison transport bus after stabbing the driver.

Gonzalo Lopez, 46, vanished on Thursday after overpowering the driver, whose injuries are not considered life-threatening, said Jason Clark, chief of staff for the Texas Department of Criminal Justice.