MOSCOW, June 14 (Xinhua) -- At least 21 people were injured in a fire at a gas station in Russia's Novosibirsk region on Monday.

Eyewitnesses posted video to social media showing the moment of the explosion. (Photo: Agencies)

One child is among the injured and five people remain in critical condition, TASS news agency reported, citing medics working at the site.

The fire engulfing an area of 800 square meters has been extinguished and a criminal investigation has been launched.