PKR and DAP may have learnt their lesson from contesting against each other during the 2016 Sarawak election that led to electoral losses - but history may repeat itself.

PKR and Parti Sarawak Bersatu (PSB) are seeing increasing friction ahead of the Sarawak polls, setting the stage for possible clashes between the two opposition parties.

PSB had in the last year absorbed a substantial part of PKR in Sarawak, including the latter's former state chief...