The Straits Times' News In A Minute: May 22, 2017

Today's top news headlines: Late June hearing date likely for Tan Cheng Bock's challenge, upgraded shooting range boasts simulator to train officers and cheaper ERP rates at some gantries during June holidays.

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

* Tan Cheng Bock's legal challenge on the timing of the reserved presidential election will likely be heard in late June.

* Certis Cisco has upgraded its indoor shooting range with automated targeting systems.

* From May 27 to June 25, ERP rates will go down at certain roads and expressways.