Most of the victims of the fire were children living in the facility in Henan province.
A fire broke out on Friday in a martial arts training center in China, killing 18 people with most of the child victims living there.
The fire broke out at 3pm (19:00 GMT Thursday) and was then extinguished, the Zhecheng county government in Henan province said on its website.
It was unclear what caused the fire, which also injured 16 people, four of whom were in serious condition, the county government said.
Police have arrested the person in charge of the center. He did not identify the person or training facility.
Most of the victims were students between the ages of seven and 16 who lived on the second floor of the center, the Beijing Youth Daily said in a report, although the story was later deleted from the site. newspaper.
In China’s deadliest fire, 309 people were killed at a nightclub in Luoyang City, also in Henan, on Christmas Day 2000. Most of the victims suffocated in the ballroom. full of smoke, which had only two emergency exits, and no sprinklers or smoke alarms.