Supporters of former premier Najib Abdul Razak, who is also known as “Bossku”, are gathering outside the Kuala Lumpur court complex.

Some were spotted wearing T-shirts, pins and scarves with the image of Najib. Earlier, a small group of supporters chanted “Bebas Najib (Free Najib)” and “Allahuakbhar”.

The criminal court will decide if the former premier must answer for 25 counts of...