(Reuters) - Expulsions and exclusions so far at the London Olympics :
Aug 9 - The Belgian Olympic Committee sent track cyclist Gijs Van Hoecke home after pictures appeared in British newspapers of him looking drunk and being carried into a taxi after a night out in the city.
Aug 6 - U.S. judo competitor Nick Delpopolo was expelled after testing positive for marijuana, which he blamed on unwittingly eating a "hash brownie" that had been baked with the drug.
Aug 4 - Russian cyclist Victoria Baranova was expelled from the London Games following a July 24 positive test for testosterone in Belarus. Colombian 400 meters runner Diego Palomeque Echevarria tested positive for performance-enhancing testosterone.
Brazilian rower Kissya Cataldo da Costa was sent home her own federation for failing a pre-Games dope test for the blood-boosting EPO. Belarussian hammer thrower Ivan Tsikhan and Moroccan runner Amine Laalou were also ruled out for anti-doping rule violations.
July 29 - Uzbek gymnast Luiza Galiulina was expelled for doping after testing positive on July 25 for the banned diuretic furosemide that can be used as a masking agent. St Kitts and Nevis sprinter Tameka Williams was withdrawn her team after admitting to using a banned substance. She left the village and returned home.
July 28 - Albanian weightlifter Hysen Pulaku was kicked out after testing positive for the anabolic steroid stanozolol on July 23.
July 26 - Greece's world indoor high jump champion Dimitris Chondrokoukis withdrew after testing positive for stanozolol.
July 30 - Swiss soccer player Michel Morganella was expelled for tweeting a message that 'gravely insulted and violated' South Korea.
July 25 - Greece withdrew triple jumper Paraskevi Papachristou from the Games after she sent a tweet slammed as racist.
(Reporting David Cutler, London Editorial Reference Unit; editing ToDavis)