RIO DE JANEIRO (AP) — The Latest on the 2016 Summer Olympics in Rio de Janeiro (all times local):
1:30 a.m.
Don't think the United States is the only squad with disqualification problems.
Britain was thrown out of the 4x400 meter final for a bad changeover of the baton in the first heat. The British team protested the exclusion but it was denied.
Britain had won its heat and stood a good chance of medaling in Saturday's final. At their home Olympics four years ago, they finished fourth.
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12:40 a.m.
Usain Bolt bid a blazing-fast farewell to the Rio Games — and likely the Olympics altogether — with yet another anchor leg for the ages.