In case of emergency, call 112

When to call 112? If you have an emergency or you need urgent assistance from the authorities or if you know or suspect that somebody’s life, health, property or the environment is under threat or in danger.
Emergency number 112

Exceptional circumstances

Storms, for example, can quickly create exceptional circumstances that lead to multiple members of the public calling the emergency number simultaneously. These kinds of sudden peaks in the number of calls can momentarily overload ERCs’ capacity. 
Read more about exceptional circumstances