A dramatic helmet-camera video from Rio de Janeiro showing the moment violent thieves stole a young man's bike.

The victim is roughly pushed to the ground and watches helplessly as the six youths run off with his bicycle.

The cyclist captured the startling incident on his GoPro camera.

There have been several similar attacks Aterro do Flamengo area, according to the victim.

Fortunately, he was unharmed in the attack.

This Newsflare archive video dates from 2014, shortly before the Brazil World Cup.

With just over a fortnight to go before the start of the World Cup, a dramatic helmet camera video has emerged from Rio de Janeiro, Brazil showing the moment violent thieves stole a young man's bike.

The victim is roughly pushed to the ground and watches helplessly as the six youths run off with his bicycle.

The cyclist captured the startling incident on his GoPro camera.

There have been several similar attacks Aterro do Flamengo area, according to the victim.

Fortunately he was unharmed in the attack.