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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South Korea’s presidential office said Mr Moon will personally announce the outcome of Saturday’s summit with Mr Kim on Sunday.
Some customers are suspected of passing the expensive items off as carrots at self-service tills by switching labels.
Showers across parts of Wales and southern England on Saturday will be heavy at times.