New Delhi, March 26 -- South Africa's top police officer was served with a warrant Wednesday and is facing charges in relation to a widening corruption scandal that saw 12 other senior officers arrested by anti-graft investigators.

National Police Commissioner Fannie Masemola was served with a warrant ordering him to appear in court next month in relation to an investigation into an allegedly corrupt contract to provide health and well-being services to police officers, police spokesperson Brig. Athlenda Mathe said at a court appearance for the other officers.

The high-profile arrests and warrant came while an inquiry continues into alleged high-level corruption in the South African police. Parliament also held special hearings into the...