Olympics: Sunday highlights

LONDON: Olympic Games highlights on Sunday:

Olympic debutant James 'The Missile' Magnussen leads Australia against the US in the men's 4x100m freestyle relay (Heats at 0900; finals at 1830)

World champion Beth Tweddle, looking to win a first gymnastics gold for the hosts, starts qualification (Starts 0830GMT)

Maria Sharapova gets her tennis campaign under way at Wimbledon (Starts 1030GMT