Did David Cameron photobomb Sergio Aguero and China's Xi Jinping selfie?

Photos: Prime ministers, presidents and footballers meet at Manchester City
VIP welcome – British Prime Minister David Cameron and Chinese President Xi Jinping visited Manchester City's training ground Friday. The pair met with chairman Khaldoon Al Mubarak as well as Sergio Aguero, the club's star Argentine striker.
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Photos: Prime ministers, presidents and footballers meet at Manchester City
Aguero absent – Aguero will miss Sunday's Manchester derby against United after picking up an injury while on international duty with Argentina. He scored five of his side's six goals in the recent 6-1 win over Newcastle.
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