SINGAPORE - Catch up on the hottest topics on The Straits Times' weekday talk show.

The Big Story, broadcast every weekday at 5.30pm on Facebook and YouTube, has reporters and senior editors discussing the top stories of the day.

The show is helmed by multimedia correspondent Hairianto Diman and assistant video editor Olivia Quay, and airs live from ST's digital studio.

The police are investigating a group of students, believed to be from Ngee Ann Polytechnic (NP), for their alleged involvement in harassing one another in a suspected hazing ritual.

The incident was recorded in a video and has been making its rounds online.

In it, a group of men clad in black T-shirts can be seen urinating on two naked men in a shower cubicle on the school grounds.

Meanwhile, Singapore and Malaysia on Tuesday (March 23) agreed to work towards recognising each other's vaccine certificates to facilitate cross-border travel in the future.

The two neighbouring countries also agreed to allow cross-border travel on compassionate grounds in the coming months.

Also on the show - we speak to entrepreneur Vignesh Sundaresana, who paid close to $100 million for a digital art piece in a recent Christie's auction.

Mr Sundaresana, who goes by the moniker Metakovan - his alter ego in the virtual world - tells us why he decided to buy the digital artwork, which he paid for in cryptocurrency.

And, Singapore Economic Development Board's executive vice-president Lim Kok Kiang shares more about the bright spots in manufacturing for Singapore.