Ben Ainslie wins first race at London 2012

Triple gold medal winner Ben Ainslie has secured his first win of London 2012 in the Finn class sailing.

Ainslie beat current Danish leader Jonas Hogh-Christensen who finished eighth, leaving the Brit just four points behind gold medal position.

The Brit's victory is the first time Anslie has beaten Hogh-Christensen in six races.

Ainslie has four races remaining to stake a claim for his fourth Olympic gold.