The investigation, code-named Operation Russell, allegedly raised questions about former commander Ray Adams's conduct before the Lawrence case, the Guardian said.
There was reportedly insufficient evidence to bring criminal charges and Adams told the newspaper this exonerates him and denied any wrongdoing.
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Nicolas Sarkozy would give Britain the chance to reverse the Brexit vote if he is elected president of France.
Wet and windy in the north tomorrow, bright and warm in the south.
The Democratic presidential told reporters: 'Anybody who complains about the microphone is not having a good night.'