China says the drills are aimed at strengthening cooperation and not targeted to any other country.
Authorities say 28 hotspots were detected on Sunday mainly in southern Sumatra but visible smoke plume was observed.
Japan, South Korea and the United States asks China to persuade Pyongyang to comply with UN sanction resolutions.
Authorities say both the nations will carry out defence, rescue and anti-submarine operations, as well as "island seizing" and other activities.
The July attack in Dhaka's diplomatic quarter was claimed by the Middle Eastern jihadist group Islamic State.
Authorities identify the three fishermen as Flipino Bajaus, who are believed to be among a crew of 11 on the boat.
Duterte announces that Beijing had promised to help in building drug rehabilitation centres for the treatment of Filipino crystal meth users.
Mynamar leader Aung San Suu Kyi thanks China for its initiative in the peace process of Myanmar.
The Singaporean leaders took to social media to congratulate Yip Pin Xi for winning gold medal in Paralympic Games
Authorities say that the cause of the fire was not known immediately.
The Islamic State claims the responsibility of the attack in eastern Baghdad.
Authorities say the five Malaysian captives were kidnapped from a tugboat near Dent Haven in Lahad Datu on July 18.
The RSS Steadfast along with the People's Liberation Army (Navy) Jiangkai II-class frigate CNS Jingzhou will hold a half-day drill.
North Korea conducted its fifth nuclear test on Friday, setting off a blast that was more powerful than the bomb dropped on Hiroshima.
Indonesia is known to have some of the toughest drug laws in the world.