Heavy rain in the morning caused heavy flooding at some parts of the National University of Singapore (NUS) campus on Thursday.

The Straits Times understands that the science and engineering faculties were among the buildings affected. At the science faculty blocks, water reached knee-level and even cascaded off higher-tier floors into the basement. Staff working at the engineering faculty said the water level was at least ankle-deep.

A photograph of students clinging on to a fence to avoid a flooded section of their school has also been making its rounds on the Internet. It is understood that the picture was taken at Fairfield Methodist Secondary.

Heavy rain fell over the central and western parts of Singapore on Thursday from 8.15am to 9.30am. The heaviest rainfall was recorded at Kent Ridge, the area which NUS is located in, with a rainfall of 102.8mm from 8.10am to 9.40am.

Flashfloods were reported in several parts of Singapore, including Commonwealth Avenue/Commonwealth Drive and Alexandra Road.

A large tree also fell on two cars along Dunearn Road, causing a massive jam along a stretch on Bukit Timah Road. No one was injured.