The Straits Times' News In A Minute: May 20, 2015

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

* An accident between a tow truck and a trailer this morning caused the closure of an exit to the Pan Island Expressway, along the East Coast Parkway near Airport Boulevard.

* An undercover investigation conducted by animal welfare group Acres has found that a number of pet shops and pet farms have breached their licensing conditions.

* Certificate of entitlement (COE) prices for cars ended lower across the board in the latest tender on Wednesday. COEs for small and big cars are now at their lowest level in two months, at $66,590 and $75,002 respectively.