General view after an explosion in Jolo Island, Sulu province, Philippines August 24, 2020. Twin blasts including a suicide bombing killed 15 people and wounded 75 others on a restive southern Philippine island on Monday, among them security forces and civilians, with Islamist militants suspected of being behind the attack. in this picture obtained from social media. PEEWEE C. BACUNO via REUTERS

Filipino soldiers are pictured on the site of an explosion in Jolo Island, Sulu province, Philippines, August 24, 2020. The bombs went off within an hour of each other in the main town on Jolo island, a stronghold of Abu Sayyaf, an Islamic State-linked group that has intensified its campaign in recent years through the use of suicide bombers. REUTERS/Nickee Butlangan

Bodies lie at a market following an explosion in Jolo Island, Sulu province, Philippines August 24, 2020. The military said the first blast happened around noon on Monday, when a homemade bomb in a motorcycle was triggered close to two parked army trucks, killing soldiers and civilians. in this picture obtained from social media. PEEWEE C. BACUNO via REUTERS

Filipino soldiers carry a comrade on a stretcher, after an explosion in Jolo Island, Sulu province, Philippines, August 24, 2020. There was no immediate claim of responsibility for what was the biggest attack of its kind in the southern Philippines since January 2019, when a double suicide bombing at a Jolo church killed more than 20 people and wounded over 100. REUTERS/Nickee Butlangan

General view after an explosion in Jolo Island, Sulu province, Philippines, August 24, 2020. REUTERS/Nickee Butlangan

Filipino soldiers are pictured on the site of an explosion in Jolo Island, Sulu province, Philippines, August 24, 2020. REUTERS/Nickee Butlangan