Original sentence: Mountain rescue in Wales is provided by seven groups, with assistance from local police forces, and in serious situations an RAF helicopter from RAF Valley.SARDA - Search and Rescue Dog Association
Edited sentence: Mountain rescue in Wales is provided by eight groups, with assistance from local police forces, and in serious situations an RAF helicopter from RAF Valley.SARDA South Wales - Search and Rescue Dog Association covering Southern & Mid Wales.SARDA Wales - Search and Rescue Dog Association covering Northern Wales