Kakinada (Andhra Pradesh), June 17 :Four persons were killed and nine others injured when a Tata ace truck collided with the car head-on near Madiki village of Alamuru Mandal, 70 kms from here, in the early hours of Saturday.Police said three persons travelling in the truck and one in car were killed on the spot.The injured were shifted to government hospital at Rajahmundry.The bodies were shifted to Area hospital in Mandapeta for post-mortem.A case was registered and further investigation is underway, police added.(UNI)