999 is a free emergency call service and is the official emergency number for the UK.
NHS provides information on a wide range of health and social care topics and has a 24-hour health helpline which is available on 0845 4647 or for emergencies contact 999.
Samaritans offer a 24-hour toll-free emotional support hotline throughout the United Kingdom and Ireland and can be contacted on 116 123
For additional help view the UK Government Website
United Kingdom Veterans Helplines
UK Veterans needing urgent help in a crisis can contact 0808 1914 2 18 or can phone +44 1253 866 043 from abroad. The veterans helpline is open from 8.00 am to 5.00 pm Monday to Friday.
After hours emergency calls will be given the option to be routed to Samaritans 24hr helpline.
Veterans in Northern Ireland can call Lifeline - 0808 808 8000
Veterans in Wales can call 0845 46 47
Veterans in Scotland can call 111
For more details view the Government Website