Kolkata: An accident has been reported to have taken place in the Southern part of the city on Saturday morning. A case of head on collision between a trailer and a lorry shook the Ranikuthi area in the wee hours of the morning. According to the local sources, the driver of the trailer has fled and the truck or lorry driver is reported to have been seriously injured and is taken to the nearby hospital for medical help. The accident took place under the Regent Park Police station area in the Ranikuthi region of South Kolkata. The police have taken up the case of accident and is trying to track down the trailer driver.