A small aircraft appeared to have struck the tallest building in China’s capital on Friday afternoon, in a shocking incident in one of the world’s most fortified cities.

The cause of the damage could not be independently verified, and authorities did not immediately issue a statement on the incident.

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…