Afghan Voice Agency (AVA): According to Xinhua, this explosion occurred in the city of "Yinchuan" and "was caused by liquid gas."
Also, seven people were injured in this explosion, one of them is in a "critical condition".
Xinhua added that 2 people suffered severe burns, 2 people suffered superficial injuries, and 2 others were injured by throwing glass.
The images published by CCTV show that dozens of firefighters have arrived at the scene.
This incident took place in the "Fuyang Barbecue" restaurant in the residential area of Yinchuan City, the capital of Ningxia Autonomous Province.
In a message, Xi Jinping "requested that all efforts be made to treat the injured, strengthen safety supervision in key industries, and protect people's lives and property."
According to the report, more than one hundred people and 20 vehicles were sent to the explosion site. The rescue operation was completed at four o'clock Thursday morning local time.
This incident happened on the eve of the three-day Dragon Boat Festival holiday. During this time, the Chinese visit and socialize with their friends and acquaintances.