 The three were planning a mock execution of the Duke of York in Central London the following day, to coincide with the wedding of Prince William and Catherine Middleton.All three were later released without charge.On 30 November 2011, Knight was one of 21 'Occupy London' activists arrested and later charged with public order offences for occupying the Haymarket (Central London) offices of the mining company Xstrata in a protest against the company's diversion of the McArthur River in the Northern Territory of Australia, violating sites held sacred by the Yanyuwa, Mara, Garrawa and Gurdanji Traditional Owners of the region.