By ROGER PANTING

Going up in the world: Bristol celebrate their promotion

Irresistible: Luke Morahan scores

LUKE Morahan scored four tries to celebrate his 28th birthday and ensure Bristol’s promotion party went with a mighty bang.
Doncaster had won on their three previous visits to Ashton Gate but there was never a chance they would make it four as the Wallaby international tore them apart.
Morahan said: “We haven’t put on a decent performance at home for a while so we needed one.
“I’m looking forward to the step up next season as Pat (Lam) has created...