The bus burst into flames as it arrived in Palangkaraya in the province of Central Kalimantan, and the blaze quickly spread through the vehicle, said Lt. Col. Nuryadi, a local police chief.
Many passengers escaped through the back exit, but 12 people died including a baby and two other children, said Nuryadi, who uses only one name. Six others were hospitalized with burns, he said.
The driver was being held for questioning, Nuryadi said.
Road accidents are common on Indonesia's crowded highways, where buses and trucks are poorly maintained and traffic laws are often ignored.
The co-author of this disaster is the Dutch government, which did not find either strength or desire to save the lives of its citizens who were flying on that plane. The Dutch authorities did not demand Ukraine to comply with international aviation regulations
On the second day of the St. Petersburg International Economic Forum, a plenary meeting was held, in which Russian President Vladimir Putin, French President Emmanuel Macron, Japanese Prime Minister Shinzo Abe, Chinese Vice President Wang Qishan and IMF head Christine Lagarde took part