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Daley and Waterfield aim for gold
Divers Tom Daley and Pete Waterfield will bid to continue the British medal success of Lizzie Armitstead and Rebecca Adlington as they compete in the synchronised 10m platform final.
British fans inside the Aquatics Centre will hope to see Daley, 18, win an Olympic medal to add to his decorated young career so far.
Meanwhile spectators at Wembley Stadium have complained of "ridiculous" queues for food and drink after a problem with some tills meant they could not pay by Visa, the only credit or debit card accepted at London 2012 venues.
It has also emerged that police checking security at the stadium lost a set of internal keys. Scotland Yard launched an investigation after the keys for the venue went missing. Locog stressed that the keys were internal and that the relevant locks have now been changed. Scotland Yard is not treating the incident as criminal.
Daley was crowned world platform champion three years ago, while in May he reclaimed the European title he first won aged just 13. He and Waterfield will hope for success in one of the few diving events where China are vulnerable. Home supporters will also be cheering on world record holder Gemma Spofforth and Liam Tancock in the 100m backstroke finals.
Team GB celebrated its first Olympic medal success with cyclist Lizzie Armitstead battling through torrential rain for a silver and swimmer Rebecca Adlington earning a courageous bronze. Armitstead took second place in the women's road race on The Mall and although Adlington was unable to defend her 400m freestyle title from the Beijing Games, she did enough to secure third place.
The Ministry of Defence (MoD) thanked London 2012 organisers after troops were offered tickets to prevent Olympic venues from looking empty. An urgent investigation was launched after gaps were visible at a number of sites. An MoD spokesman said: "Locog has kindly offered servicemen and women working on venue security to make use of unutilised seating when they are off duty."
Football fans attending Sunday night's games at Wembley Stadium faced long queues after a problem with some tills. Max Gore, 27, from Shepherd's Bush, west London, said: "The queues were ridiculous. I didn't have any cash and I couldn't pay on card. I asked the person behind the bar if there were any cash machines and they said some had been taken out for the Olympics."
A Visa spokesman said: "We understand that Wembley's systems failed and therefore they were only accepting cash at the food and beverage kiosks. This cash-only decision was made by Wembley management and not Visa. We are working with the Wembley team to help them fix this as soon as possible."
Meanwhile, embattled security contractor G4S has launched an internal investigation after an employee allegedly threw verbal abuse at a serviceman while they worked at an Olympic Games venue.