Hyderabad: An unidentified assailant stabbed to death three passengers and injured one seriously while they were sleeping in a bus in Nellore district of Andhra Pradesh in the wee hours of Thursday.
The incident took place on the outskirts of Thada town at around 4 am when the assailant started attacking sleeping passengers with a knife, who were travelling in a state-run bus en route to Chennai from Bhadrachalam of Khammam district, resulting in death of three passengers on the spot while another was injured, a senior police officer said.
The accused fled the scene after the incident.
"The identification of the assailant and the motive behind the attack was yet to be established. Teams are on the look out of the accused," the police officer said.