The children were aged between four and seven and lived in the city of Weihai in Shandong province where the accident happened, a South Korean consular official in the city of Qingdao told AFP.
Panama bus crash kills at least 18, injures 33
The Weihai propaganda department said on a microblogging website that 12 people had died and another person was seriously injured. The nationality of the two others killed and the injured person was not immediately known.
The bus burst into flames in the tunnel at around 9:00 am, according to Xinhua news agency. The cause of the crash was under investigation.
Deadly road accidents are common in China, where traffic regulations are often flouted or go unenforced by police. There were more than 180,000 traffic accidents in 2015, causing 58,000 deaths, authorities said in December. The country's frequently overcrowded long-distance buses are particularly prone to high fatalities.
Philippine bus crash kills 13 students on camping trip, driver
Ten people were killed and 38 injured in March when a bus collided with a cement truck in the southwestern province of Yunnan.
At least 18 people were killed when a minibus plunged into a lake in the central city of Wuhan in December.
Last November, a pile-up on an expressway in the northern province of Shanxi killed 17 people and damaged 56 vehicles.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ