BR Class 91 no. 91115
Photographed arriving northbound at Grantham station on 6 February 2009, as the snow resumed falling. The warning horns on the locomotive had frozen solid and this train was held at Grantham for half an hour while numerous buckets of hot water were applied to unfreeze them.
This was originally no. 91015 - see picture #5880
for more details of the class of electric locomotives.
Picture added on 18 February 2009