North South MRT line
On 7 October, services on the line was stopped between Ang Mo Kio and Marina South Pier around 6pm, after the tunnels between Bishan and Braddell flooded following heavy rain, and a fire was seen near Raffles Place. Services between Newton and Marina South Pier was resumed at around 9.30pm but the section between Newton and Ang Mo Kio remained closed overnight. It opened at 2pm the following day after staff and the SCDF worked overnight to clear the water from the tunnel. SMRT reported that a faulty water pump was the cause of the flooding. This was the worst train incident in SMRT's history.