Dewi Llwyd presents the results and the latest developments from Wales and the rest of the UK on the night of the General Election. The BBC Cymru Wales news team will round up the events with reporters in the 40 Welsh constituencies, in London and in Scotland. The BBC's Welsh Affairs Editor Vaughan Roderick will discuss the results, Catrin Haf Jones will question politicians and experts and Arwyn Jones will analyse the results with the help of the latest computerised graphics.