Three people were injured in an explosion at a residential building in west Beijing's Shijingshan district which occurred at around 6:30 pm Monday, CCTV reported.

It is assumed the accident was a gas explosion, but authorities have not confirmed it yet.

According to pictures posted on social media, many windows in the six-story buildings were shattered. Eyewitnesses said they could feel the shockwave from the explosion, which also set cars parked nearby on fire.