The temporary Chief Constable of Lincolnshire Police has been suspended by the county's new Police and Crime Commissioner.
PCC Alan Hardwick says he sent acting Chief Constable Neil Rhodes home after he was "made aware of potential conduct matters" involving the senior officer.
Mr Rhodes took over as temporary head of Lincolnshire Police when the former Chief Constable Richard Crompton retired in March last year.
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Max Blakeley was playing for the Birkenshaw Bluedogs when he fell ill during a match in York on Saturday. He died despite medical attention.
Marian Turton, 74, had been camping at the Burton Agnes Jazz Festival in Driffield. She has not been seen since Saturday night.
The blaze, in the Hunslet area, was reported at 0224. West Yorkshire Fire say the building was used for storage of building supplies.