Clive Chamberlain from Dorset Police Federation is among those taking part in the march. Officers from every police force in the country are taking part in the protest in London.
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The RSPCA is investigating after a pet cat was fatally injured after being shot by someone using an airgun on Christmas Eve.
Bristol City manager Lee Johnson has further bolstered his first team squad by bringing in German goalkeeper Fabian Giefer from Schalke.
There were a series of burglaries to homes in South Gloucestershire on Tuesday (17/01) - police believe they are all linked.