Ranchi, Dec 9 (ANI): Two undertrial prisoners have been killed in police firing on Tuesday when more than 15 undertrails tried to escape from the police van while they were being taken back from court to jail in Jharkhand's Chaibasa. The incident took place around 4pm. Over 15 prisoners including some hardcore Maoists have escaped from the jail. All exit points in the district have been sealed and police have launched a manhunt to nab them.