Hyderabad, April 2 : Four people were killed and another person was seriously injured when a car in which they were travelling overturned after hitting a roadside boulder in Charakonda village in Nagarkurnool district of Telangana on Saturday. The victims, all from a family, were returning to their village in Suryapet district from Anantapur in Andhra Pradesh. Police suspect that the driver could have dozed off leading to the accident. SMS MR