A survey by the PKR-linked Invoke on the public's choice for prime minister indicates that in a three-cornered contest, Prime Minister Najib Abdul Razak has a slim edge over Pakatan Harapan.

Close to 18,000 people were surveyed. Of this, 31 percent chose Najib, 28.5 percent opted for a candidate from Harapan, and 6.1 percent picked PAS president Abdul Hadi Awang...