A STREAKER interrupted play by doing a cartwheel on Centre Court at Wimbledon today during the quarter-final match between Russian beauties Maria Sharapova and Elena Dementieva. The man, who appeared to be in his late twenties and was completely naked except for white trainers and black socks, came on to the court on Sharapova’s side and did a cartwheel. Security staff came on to the court immediately and held out a large red blanket which he charged at before being wrapped up and ushered away, to great applause from the crowd. Sharapova turned her back to the streaker during his...