A drug used to mitigate internal bleeding in racehorses is misused as a performance enhancer in US contests, critics say. Though not in time for Kentucky Derby 2011, moves are afoot to ban race-day injections.
A man walks past the outside wall of the 'Art In The Streets' exhibit at the Geffen Contemporary at the Museum of Contemporary Art in Los Angeles. The exhibit is the first major historical exhibition of graffiti and street art to be organized by an American museum.
Steam rises off a horse as it gets a bath after a morning workout at Churchill Downs, May 5 , in Louisville, Ky.
A cricket fan displays a message to Pakistan's batsman Ahmed Shehzad during the fifth and final one-day international cricket match against the West Indies in Georgetown, Guyana.
European milk farmers light flares during a demonstration outside the European Parliament in Brussels. Milk producers protested against lower selling prices of milk.