Chances are slim, still worth asking. My dog has started walking funnily, looks like she's struggling. Her back is kind of arched up and she doesn't want to move. Obviously no chance of going to the vets at this time.
It'll cost you a bomb ... But "VetsNow" operate a 24 hr service from the PDSA hospital in Sheffield - 0114 242 1929
Arncliffe at Wath are 24/7 I think, and cheapest http://www.yell.com/ucs/UcsSearchAc...intToolbar&M=&startPoint=S73&findClosest=Find