A father whose son took his own life in July 2020 is calling for an "urgent overhaul" of the way some counsellors and therapists assess suicide risk.
His son Tom had died a day after being judged "low risk", in a final counselling session, Philip Pirie said.
A group of charities has written to the health secretary, saying the use of a checklist-type questionnaire to predict suicide risk is "fundamentally flawed".
The government says it is now drawing up a new suicide-prevention strategy.
According to the latest official data, 6,211 people in the UK killed themselves in 2020