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The doctor who leads the team says there has been an upsurge in life-threatening injuries caused by attempted suicide.
Sky News was given exclusive access to the operation, where each day begins with a retraining exercise.
Anyone feeling emotionally distressed or suicidal can call Samaritans for help on 116 123 or email firstname.lastname@example.org or talk to CALM on 0800 58 58 58 or via webchat on thecalmzone.net.
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