No obstruction in drains, flash floods due to rain developing too quickly: PUB

Mr Choy Wai Kwong (left), PUB's chief engineer for drainage operation, and Mr Yeo Keng Soon, PUB's director of Catchment and Waterways, at a press conference on Jan 8.
Mr Choy Wai Kwong (left), PUB's chief engineer for drainage operation, and Mr Yeo Keng Soon, PUB's director of Catchment and Waterways, at a press conference on Jan 8.ST PHOTO: DESMOND WEE