BBC Television renamed BBC1 in 1964, after the launch of BBC2 (now BBC Two), the third television station (ITV was the second) for the UK; its remit, to provide more niche programming. The channel was due to launch on 20 April 1964, but was put off the air by a massive power failure that affected much of London, caused by a fire at Battersea Power Station. A videotape made on the opening night was rediscovered in 2003 by a BBC technician. In the end the launch went ahead the following night, hosted by Denis Tuohy holding a candle. BBC2 was the first
BBC Radio 4 Extra to 350. The BBC announced their intention to relaunch the station on 2 March 2010 and following a public consultation, the proposal was approved by the corporation's governing body the BBC Trust in February 2011. As a result, the station relaunched as BBC Radio 4 Extra on Saturday 2 April 2011. The relaunched station contained much of the same mix of programming with some new additions that reflected the new alignment with Radio 4, many of which were extended, archive or spin offs of flagship Radio 4 programmes. BBC Radio 4 Extra is broadcast from Broadcasting House in central London,