Two persons were killed and six others injured when a car rammed into a private travel bus at Barakath Gudem of Munagala mandal in Suryapet district in the early hours of Friday. The car was heading to Annavaram from Hyderabad when the accident took place. The private bus belongs to Kaveri Travels. According to police, the car hit the bus coming in the opposite direction due to tyre burst. The injured were admitted to government general hospital in Khammam. Among those injured four of them stated to be in critical condition.