The police have opened investigations over the claim made by political blogger Raja Petra Kamaruddin (RPK) that former top cop Amar Singh’s girlfriend was present at a raid at former prime minister Najib Abdul Razak’s house in May 2018 and had left with one of the seized bags.

Dang Wangi police chief Noor Dellhan Yahaya said their investigation unit received a police report this afternoon on the allegations uploaded onto...