Boris Johnson has previously joked about his desire to be the "lead singer of an international rock group", and today he got a chance to show off his skill on the drums.
He played alongside businessman Lord Sassoon, as he toured the Great British Brands festival at China's largest shopping mall.
The Mayor is in Beijing on a mission to drum up trade for London.
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The 24-year-old was unarmed and the incident is not being treated as terror-related.
Some platforms have been taken out of service with disruption expected to continue until the end of the day.
The Met Office has extended its weather warnings for snow and ice to cover vast swathes of the country, including London and the South East.