It’s also important to note that, because the sun rises in the east and sets in the west ... As a result, a north-facing house may remain cooler in the summer than a south-facing house.

Issues first surfaced in the early hours of Friday after an engineering vehicle returning to Bishan Depot broke down.

Commuters on the North-South and East-West MRT lines experienced train delays on Feb. 7 morning due to a faulty engineering vehicle. Train services for both lines returned to normal at 9:30am. SMRT ...