A stretch of road along Tanjong Katong Road South collapsed on Saturday (Jul 26), causing a vehicle to plunge into the water-filled hole.PUB said that the sinkhole occurred adjacent to its existing worksite, near the junction of Tanjong Katong Road South and Mountbatten Road at about 5pm. "One vehicle fell into the sinkhole. The Singapore Civil Defence Force rescued the female driver, and conveyed her conscious to Raffles Hospital," said the national water agency. PUB is isolating the affected water mains," it added.The Land Transport Authority said that its contractors are on site to assist with road repair works. "At about 8.30pm, Exit 11 on ECP towards Changi Airport, which is the exit for Tanjong Katong South Road, is closed.