Yasay says Duterte won "an unprecedented and resounding electoral mandate" and had to deliver a change.
Japan foreign ministry confirms that plans were being made for Duterte's visit.
Authorities say they are not sure if any ransom was paid for the release.
The critics say Hun Sen is scared of losing in the 2018 general elections.
Duterte says strong measures are necessary to prevent the Philippines from becoming a "narco-state".
The defence ministry and coast guard of Taiwan says details about the structures are highly confidential.
Duterte says European Union members had "guilt feelings" over the atrocities they committed in the past.
Chinese Foreign Ministry spokesman Lu Kang says countries in that region a general agreement to resolve conflicts through talks between the parties directly involved in it.
Hun Sen says the foreign countries had no right to criticise his administration.
Duterte says launching the crackdown was like letting "a worm out of the can".
The army deployed helicopters to airlift 20 soldiers who had been injured in the pre-dawn attack followed by an hours-long gunfight.
Wiranto says Indonesia would focus more on the G20 cooperation with major economies.
The Philippine defence department says there were no formal links between the group and ISIS.
Renho Murata says she wants to increase the number of female lawmakers in the country.
Japanese Defence Minister Tomomi Inada says Japan has increased its engagement in the area and it would include capacity building for coastal nations.