Prime Minister Najib Abdul Razak has joined in the calls urging the state government to increase the monitoring of hillslope developments to ensure that such projects comply with the law.

Najib said such hillslope development projects needed to be watched closely to prevent disasters from occurring.

"Developers, too, should not just prioritise profits but take into account the effect of their projects on the environment," Najib told reporters at Sekolah Agama Ar Ridhuan in Nyior Sebatang, Tasek Gelugor, today...