Pakistan, May 20 -- A video footage has shown Hollywood star Arnold Schwarzenegger being attacked at an event here in South Africa.

The 71-year-old former California Governor was interacting with fans during a skipping competition at his Arnold Classic Africa sporting event when a man drop-kicked him from behind, the BBC reported on Saturday.

The attacker is seen being restrained following the incident.

Schwarzenegger thanked fans on Twitter for their concern, but insisted there was "nothing to worry about".

The video footage, shared widely on social media, shows Schwarzenegger posing for photos and filming at the Johannesburg event on Saturday when the man attacks him with a flying kick.

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