As per Singapore’s national water agency PUB, an advisory was issued in the afternoon hours on Tuesday (21 April), urging the public to avoid Mackenzie Road near Bukit Timah Road due to the risk of flash floods.

The advisory, shared via social media platform X at approximately 1230 hours (local time), recommended avoiding the area for at least an hour. In addition, the agency further stated that heavy rainfall is also expected over many areas of Singapore from 1255 to 1400 hours (local time).