If safe for you to do so, remove the person's access to any means of suicide or self-harm. For example, medicines, a rope, a knife or a firearm.
Contact emergency services
If it is an active suicide attempt, contact the emergency services - available 24 hours every day by calling 999 or 112.
Stay with them
Stay with the person while you’re making contact with the services listed above. It's important to keep the person safe. This might also mean organising for someone else to stay with them until they get help.
Go with them to get help
Once you have contacted the services, go with the person or wait with them while the services arrive.