The presidents of the two longtime allies were due to hold talks on Tuesday but the White House cancelled the meeting after Duterte's insult.
Chinese authority says peace and stability in South China Sea was directly related to prosperity and development of countries in the region.
Tumen river suffers the biggest flood ever recorded due to a rainstorm, according to Pyongyang.
The authorities say there were no immediate reports of injuries or damage.
Philippines defence minister, who is at the summit in Vientiane, orders the release of photographs.
Batang Police and Central Java Police conducted an investigation and concluded that a flat tyre was the primary cause of the accident.
The leaders were scheduled to meet in Laos at a gathering organised by the Association of Southeast Asian Nations.
At the two-day gathering took place in the scenic Chinese city of Hangzhou
Duterte described Obama in vulgar terms and said that he won't allow the American leader to jeopardise his anti-drug campaign
Defence Secretary Delfin Lorenzana says a Philippines air force plane spotted more boats than usual in a flotilla on Saturday.
Abdul Kadae, the suspect who was detained on Saturday, is the first person to be arrested in connection to the blasts.
President Duterte is scheduled to meet US President Barack Obama at a regional summit in Laos on Tuesday.
Authorities believes the suspect to be a part of the KGR@Katibah GR, a group headed by Gigih Rahmat Dewa.
The two nuclear-armed neighbours have been moving to gradually ease long-existing tensions between them.
The Singapore Embassy officials in Malaysia are assisting the families of those injured.