THE arrival of a steam locomotive made famous by its appearance in the Harry Potter films has been delayed.

Guest locomotive former GWR Hall Class steam loco No. 5972 Olton Hall - better known to film fans as Hogwarts Castle, the locomotive which hauls the Hogwarts Express in the Harry Potter movies - was due to arrive at Locomotion: The National Railway Museum, in Shildon, County Durham, today, ahead of this week's Wizard Weekend.

Due to technical problems, the locomotive will now arrive under its own steam later this week.