while you visit united kingdom for short time or long time, you must be aware of emergency situation in the country such as health problem, fire or police help, in the uk NHS is the main health care provider and NHS treatment is always free for the residents and citizens of uk for all others it is not free and they are not eligible unless they have an emergencies. There for you are strongly advised to take out travel insurance for any medical expenses. 

If you're coming from EU countries, you must carry a valid EHIC (European Health Insurance Card) in case you need immediate and necessary medical treatment in NHS hospitals. Without this EHIC, you will be charged for any treatment.emergency can come from any angle in our life but you should always be prepared for and while you are in the united kingdom,always Rememember the telephone numbers below,

What number to call in the event of an emergency in the UK.

Ambulance: 999 or 112

Fire: 999 or 112

Police:  999 or 112

Gas emergency: 0800 111 999

NHS Direct (24 hour health helpline): 0845 4647

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What number to call in the event of an emergency in the UK. Ambulance: 999 or 112 Fire: 999 or 112 Police: 999 or 112 Gas emergency: 0800 111 999 NHS Direct (24 hour health helpline): 0845 4647