Team GB have a first gold medal at London 2012!

Helen Glover and Heather Stanning have won the women's pairs.

Still to come are the women's quadruple sculls final, followed by the men's eight.

Later, Bradley Wiggins is the odds-on favourite to win the men's time trial cycling.

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Meanwhile, Barack Obama's tweeted US swimmer Michael Phelps to congratulate him after he made Olympic history last night by bringing his all time medal tally to a record 19.

Phelps tweeted back "Thank you Mr. President. It's an honor representing the best country in the world."