Dozens of journalists have turned up at the NRM to witness the historic event. They and pilgrims from all over the world including Canada, the US and Australia have gathered to celebrate Mallard's achievement and witness a sight never seen before, which fulfills the dreams of rail fans everywhere.
More top news
Dry but quite cloudy
A dog that went missing for four days survived and was found - after dragging himself to safety when his leg was cut off by a train.