Footage posted to social media showed the dramatic moments as debris fell from the 109-story CITIC Tower.

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.

Crowds in the capital’s central business district fled as the crash sent debris falling into the streets below.

Police and emergency crews sealed off the area around Beijing's tallest skyscraper after a small plane crash damaged the ...