
The MRT broke down this morning (21 May) and commuters on the Circle Line were forced to wait on the platform, congregating in large groups due to the train delay.
SMRT then posted an update on Twitter at 5.21am, saying that there was a signal fault, asking commuters to add 15 minutes to their travel time.
Free regular bus services between Paya Lebar and Buona Vista were made available.
At about 5.41am, SMRT then updated on Twitter that due to the signal fault, commuters should add 30 m inutes of additional travel time.
Train services progressively returned to normal at 7.15am, and at 7.30am, all train services resumed to normal.
SMRT has sinced apologised for the incident.

Images source: @Once_Russ on Twitter and @MaiSoori_writer on Twitter