Pupils at a Lancashire school are to try out a new scheme allowing them to report by text message people carrying knives.
Lancashire Constabulary were launching the initiative at Balshaw's High School in Leyland on Wednesday morning, with a demonstration of how the system will work.
Teenagers will be able to text Crimestoppers anonymously if they suspect one of their peers has a blade.
The scheme will be rolled out among almost 1,000 pupils during the Church Road school's personal and social health education lessons in extended sessions.
Headteacher Jo Venn said: "Any teaching about knife crime is invaluable. You don't get a second chance when you are faced with a knife.
"Our pupils need to know what to do in those situations and to make sure they don't carry a knife.
"In many cases, if a person carries a knife they can have it turned against them. It can kill you instead of being a form of defence."
Lancashire is one of the knife crime "hot spots" identified by the Government as needing special attention.
Supt Richard Spedding, the force co-ordinator on knife crime, said: "We are pleased to be able to take advantage of this scheme.
"Although we don't have a major issue with young people carrying knives in Lancashire, by being one of the Government's chosen areas, we have the opportunity to use extra funding to promote campaigns like this and prevent Lancashire's young people from engaging in knife-related crime.
"One of the key aspects to this scheme is that young people are now able to pass on information anonymously to Crimestoppers, which in turn is passed on to us.
"Research shows that quite often, those who carry a knife for protection are in fact more liable to be attacked.
"Lancashire Constabulary recognises that knife crime is a growing problem in society and we believe that one of the ways we need to tackle it is by educating our young people.
"Parents and peers have a responsibility to make sure our young people are not arming themselves with weapons and I would appeal for their help."
A similar scheme is already running in London and the project is being rolled out across the UK to tackle the number of youngsters carrying knives.
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