Major disruption on the North-South Line

[NSL] update: Train service on North South Line has running normally now.

[NSL] UPDATE: Due to fewer trains serving the NSL tmr, pls add 40mins train travel time. Free bridging bus svcs from #Yishun to #MarinaSouthPier (one way) and free regular bus svcs between #Yishun and #MarinaSouthPier (both directions) are avail from the start of train service.

[NSL] UPDATE: Free regular bus and bridging bus services between #Bishan and #Yishun have ended.