Members of the Philippine National Police Explosive Ordnance Division (PNP-EOD) assist their colleague wearing a bomb suit as they conduct a bomb disposal scenario to show their preparation for the security in the upcoming 31st Association of Southeast Asian Nations (ASEAN) Summit in Pasay City, the Philippines, on Nov. 7, 2017. (Xinhua/Rouelle Umali)

A member of the Philippine National Police Explosive Ordnance Division (PNP-EOD) wearing a bomb suit conducts a bomb disposal scenario to show their preparation for the security in the upcoming 31st Association of Southeast Asian Nations (ASEAN) Summit in Pasay City, the Philippines, on Nov. 7, 2017. (Xinhua/Rouelle Umali)

A member of the Philippine National Police Explosive Ordnance Division (PNP-EOD) wearing a bomb suit conducts a bomb disposal scenario to show their preparation for the security in the upcoming 31st Association of Southeast Asian Nations (ASEAN) Summit in Pasay City, the Philippines, on Nov. 7, 2017. (Xinhua/Rouelle Umali)

A member of the Philippine National Police Explosive Ordnance Division (PNP-EOD) wearing a bomb suit conducts a bomb disposal scenario to show their preparation for the security in the upcoming 31st Association of Southeast Asian Nations (ASEAN) Summit in Pasay City, the Philippines, on Nov. 7, 2017. (Xinhua/Rouelle Umali)