NHS Mental Health Crisis Support Call: NHS 111 and select Option 2 for mental health support (England). Available 24/7 for anyone experiencing a mental health crisis or concerned about someone else. Local 24/7 Crisis Line (Warrington, Halton, Knowsley & St Helens) Call: 0800 051 1508 Available 24 hours a day, 7 days a week for urgent mental health support for adults, children and young people. Emergency Services If someone is at immediate risk of harm:Call 999 or visit your n