BUKIT MERTAJAM, Nov 12 — Penang police have arrested four Pakistani nationals, including two women, to assist in investigations into a robbery in which a 43-year-old policeman... Penang Chief Police Officer Datuk Dennis Lim Kwang Keng said the four suspects, aged between 23 and 36, had been remanded for six days until November 17 to facilitate investigations. “Police are conducting further investigations into the incident.