WhatsOnStage was fortunate to witness a truly memorable moment last night as Sir Ian McKellen helped young theatre troupe The Handlebards to complete the ALS Ice Bucket Challenge.

The Handlebards had just performed their production of The Comedy of Errors at the Museum of the Order of St John in Clerkenwell - the final stop on their 2,000 mile cycle tour.

The group, of which our editor Theo Bosanquet is a patron, recently won the Sustainable Practice Award at the Edinburgh Fringe.

They nominated fellow companies the RSC, Shakespeare's Globe and Propeller...

To donate to the Motor Neurone Disease Association text ICED55 followed by an amount (such as £5) to 70070

View a version of this video on the Handlebards' Facebook page