A speeding car today hit four bystanders on the Chennai-Bengaluru highway at Kandhikuppam in Krishnagiri district, killing them on the spot, police said.
The car driver lost control over the vehicle while attempting to overtake another car and hit the four persons, including a woman, they said.
Three persons were also injured in the accident, the police said, adding, no arrests has been made in this connection so far.
Later, angry locals damaged the accused's car and set it ablaze. They also staged a road blockade on the busy highway demanding action, affecting vehicular traffic, the police said.
Police later chased away the protesters.
In a separate incident, a van and a private bus collided in Tirupur district on National Highway here, killing four persons on the spot and injuring at least 20 others.
The incident took place in Rakkapavi junction near Udumalpet.
The injured have been admitted to a government hospital in Coimbatore.
The bus was coming here from Marthandam and the van proceeding to Dindigul when the mishap occurred, police said.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)