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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Isolated wintry showers perhaps giving further, mainly slight, snow accumulations inland.
Staying largely dry for most of the night, but then with a line of showers travelling south across the region through the early hours.
A bank robber who threatened customers with a knife and gun while demanding cash has been jailed for 11 years.