Tirupur: P. Jayakumar (29) was killed and his wife Radhika (24) sustained injuries when a van hit their motorbike at Palladam near here on Thursday evening.
The police said Jayakumar died on the spot and his wife, who was riding pillion, was hospitalised in Coimbatore.
Van driver, S. Prabhu (23), was arrested for rash driving.
In another incident, G. Senthil Kumar (42) was fatally knocked down by an unidentified vehicle while he was walking along Dharapuram-Erode road. He died on the spot.