Drugs in Sport: Wada red-cards main Rio lab

Brazil has suffered a major embarrassment before next year's World Cup and the 2016 Olympics after the drug-testing laboratory in Rio de Janeiro had its accreditation revoked by the World Anti-Doping Agency (Wada).

It presents a major headache for organisers, who had planned for the lab to test all the samples at the two major events. The lab was suspended for nine months last year.