The Latest on the Olympics ahead of the Rio Games (all times local):
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11: a.m.
The head of Brazil's anti-doping body has been sacked after the Rio de Janeiro laboratory was suspended by the World Anti-Doping Agency.
The Brazilian agency confirmed that Marco Aurelio Klein will be replaced by Rogerio Sampaio, a former judoka who won a gold medal in the 1992 Barcelona Games.
WADA suspended the lab last Friday for failing to meet its standards. It didn't elaborate.
Sampaio is expected to meet WADA officials next week, with the aim of lifting the suspension within weeks.