Chambers in British team

The 31-year-old, who in 2006 completed a two-year ban for using the steroid THG, was barred from the Olympics last year because of British Olympic Association (BOA) rules, but is part of the 60-strong team named by UK Athletics.

Defending 400M champion Christine Ohuruogu is also included despite concerns over a hamstring injury that caused the Olympic champ to miss last week's London Grand Prix.
Chambers has struggled to repair his tarnished reputation since returning to competition, briefly flirting with careers in American football and rugby league, although he is the current European and world indoor champion.

He was snubbed by the organisers of the Berlin and Rome Golden League meetings this year after describing in his autobiography how he had taken 300 different concoctions of drugs before eventually testing positive for THG in 2003.

Marathon world record holder Paul Radcliffe and European Indoor 3,000M champion Mo Farah will also be in the team.