Not to worry, however, it looks like he meant to take a spill, as he revealed on Twitter: "Fell over on purpose didn't i." Plus, it looks like a stunt double was used for some of the trickier moves, so he was kept mostly out of harm's way.
Then again, reports and pics have surfaced of Harry in an arm sling. Did he get an injury from the fall? A broken or sprained arm that needed medical attention? Harry's keeping mum on the injury.
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Gallery | One Direction On the Road Again Tour 2015