Transport Police are to use new technology in a major crackdown on crime and anti-social behaviour on trains.
From today passengers who see or witness anything suspicious can alert officers by text. Police say it should help them build up a better picture of where to target resources.
Our Transport Correspondent Mike Pearse reports and speaks to Dep Ch Const Paul Crowther of British Transport Police.
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A dull and damp start but it will become drier and brighter from the north this afternoon but stay cold and windy.
A damp and cold night ahead. Valentine's Day will start cloudy but become brighter in the afternoon. Risk of showers along the Kent coast.
Cold and damp tonight with outbreaks of rain. A cold and dull start to Valentine's Day but becoming drier and brighter by the afternoon.