KUALA LUMPUR, Nov. 5 -- Police have tightened security at the entrance to Datuk Seri Najib Razak's residence in Jalan Langgak Duta here this morning, amid speculation that the former prime minister may return to serve the remainder of his prison sentence under house arrest.

Berita Harian reported that Najib may be permitted to return home after settling the required payment.

Sentul district police chief Assistant Commissioner Anuar Bakri Abdul Salam and his deputy were spotted arriving at the housing area at 10.45am, shortly after a team of officers and personnel from the district police headquarters turned up at 10.30am.

Police officers at the scene directed media personnel to keep their distance from the house, permitting coverage on...