Two sailing yachts have been involved in a serious collision

at the Superyacht Challenge Antigua regatta.

The incident occurred minutes before the start of Race 1, according to the J Class Association.

Watch the moment slow motion video below 

The two boats involved - Svea and Topaz - both sustained damage and have been withdrawn from the regatta.

Two crew members also required medical attention.

The moment of impact was captured by a sailor on board J Class yacht Velsheda.

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