The crash at the 108-storey CITIC Tower has triggered questions about how a small plane was able to fly into the centre of Beijing after a recent crackdown over the city’s airspace.

Beijing's airspace is regulated by some of the strictest security measures in the world.

Beijing's airspace is regulated by some of the strictest security measures in the world.

A startling incident unfolded in Beijing as a small aircraft seemingly collided with the city's tallest skyscraper, the CITIC Tower. Social media footage showed debris falling and…

Social media posts of the building were quickly removed from social media

A car-sized aircraft crashed into Beijing's tallest skyscraper, the 108-storey CITIC Tower, on Friday, according to two bystanders cited by Reuters.