Polling at Bukit Selambau, Bukit Gantang and Batang Ai started at 8am this morning. Both Bukit Selambau (Kedah) and Batang Ai (Sarawak) are state seats while Bukit Gantang is a parliamentary seat.
There are almost 100,000 eligible voters in the three constituencies. Voting ends at 5pm and results are expected after 10pm.