The heart wrenching photographs of homeless dogs across the world freezing to death in the harsh winter conditions have spurred Caernarfon born animal lover Matthew Cook to undertake a charity walk to raise much needed funds.

Animal search and rescue groups wrote on Facebook that setter mix Tillie is a "true friend and a humbling example of the power of love”

Emergency crews spent more than two-and-a-half hours trying to get the 13-year-old out of the tree