PC Marc Horsewood from Lincolnshire Police speaks to ITV News about the importance of the march in London.
He is just one of up to 20,000 police officers from forces across England and Wales travelling to London today.
This is the first police march in the capital for more than four years.
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A man who lost his leg said he can 'start drawing a line' after they were hit with a fine.
Bright and sunny, though rather cold.
Mostly dry. Cloudy in the north, brighter in the south.