Novak Djokovic beats Roger Federer in Wimbledon final

Novak Djokovic has beaten Roger Federer to become the Wimbledon men's champion for 2014.

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Serena Williams suffering from a 'viral illness'

Serena Williams appeared groggy during the sisters' doubles match. Credit: PA Wire

Serena Williams was forced to withdraw from her doubles match as a result of a viral illness, Wimbledon organisers said.

The 32-year-old appeared groggy as she served four consecutive double faults on Court One, as the sisters forfeited the game in the first set.

"The word from the referee's office is that Serena Williams is suffering from a viral illness," a Wimbledon tweet said.

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