Four people were killed and two others injured in two accidents in Coimbatore and Tirupur districts on Monday.
Three persons were killed and two others injured, when their car rammed a median near Avanashi in Tirupur district, police said.
They were returning to Erode after attending a marriage at Sulur, near here.
The person driving the car lost control of the vehicle and it dashed against the median, police said.
In the other accident, a 55-year-old man drowned when his car fell into a canal near Pollachi in Coimbatore district.
Police said as the road was wet and slippery, he lost control of the vehicle and it slipped into the canal at Sundaragoundanur.