If someone is in mental health crisis and their life is at risk, call 999 now or go to A&E.
If you are in crisis but not in need of emergency care, there are other routes of support.
NHS urgent mental health helplines can provide 24 hour help for you and your loved ones, refer you to speak with a professional and conduct an assessment. If you are in England, you can find your local urgent mental health helpline here.
The Samaritans have a helpline that is open 24/7 and can be reached on 116 123.
Use the Shout crisis text line by texting SHOUT to 85258.
Papyrus is a young people's suicide prevention charity and can be reached by phone on 0800 068 4141 (Monday to Friday, 10am to 10pm, and 2pm to 10pm on weekends and bank holidays).
CALM is the Campaign Against Living Miserably, for men aged 15 to 35. They can be reached by phone on 0800 58 58 58 (daily, 5pm to midnight).