A torrential downpour early Friday morning triggered flash floods across the island. Areas like Upper Thomson Road, Bugis and Jalan Boon Lay were the hardest hit. Heavy rain was also reported in Changi, Eunos, Jurong East, Tampines Heavy rain caused flooding at Paya Lebar and other parts of Singapore. The hardest hit areas were MacPherson Road and Upper Paya Lebar (known as Tai Seng). The flood caused traffic jams throughout the area of Paya Lebar.