Manila, April 22 -- The Negros Oriental Police Provincial Office (NOrPPO) has tightened security protocols following the death of 19 suspected New People's Army (NPA) members in Toboso, Negros Occidental, an official said Wednesday.

NOrPPO spokesperson Capt. Stephen Jaynard Polinar said during a virtual press conference that police personnel have been advised to increase their vigilance to protect themselves and their stations against possible retaliatory activities by the NPA against law enforcement units.

"Actually, we have what we call a camp defense drill, with simulation exercises done every day to determine the preparedness of the police personnel in any given situation," Polinar said.

He noted that the new police stations are de...