Sydney cyclist hit by falling branch

Video has emerged of a tree branch falling on top of three cyclists while riding on a northern Sydney road.

The footage shared online by George Gittany at the weekend shows the trio riding at the centre of a large convoy on Mona Vale Road in St Ives when struck by the falling branch.

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An unidentified man, who fell to the ground before appearing to trip up a riding partner, lies still in the gutter beside his mangled bike, cradling his head.

While the other floored cyclist and a third victim appear shaken but unharmed as they peel themselves up off the road.

It is not known if emergency services were called to the accident or if any of the cyclists were injured.