They are likely to tweet from carol, crib and midnight services, before carrying on into Christmas morning when the highlights of the sermons at Canterbury Cathedral, York Minster and Durham Cathedral will be tweeted.

BBC: Twitter Christmas sermons for Anglican bishops

Duncan has also been arrested multiple times, including once on top of a cathedral in Paris and once on top of a cathedral in New York.

BBC: Discovering an unseen urban underworld

Protesters say they have been inspired by larger protest events at St Paul's Cathedral in London and at Wall Street in New York.

BBC: Bournemouth protesters camp outside town hall