The Straits Times' News In A Minute: Nov 16, 2017

Today's top news headlines: Singapore suspends trade relations with North Korea, Joo Koon MRT station more packed than usual, and smoke detectors mandatory in new homes.

In The Straits Times' News In A Minute today, we look at:

*​Singapore has suspended trade relations with North Korea.

*Large crowds were seen at Joo Koon MRT station during morning rush hour, a day after a software glitch resulted in a train collision.

*Smoke detectors will be mandatory in all new residential homes, including Housing Board flats, from June next year.