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 One "Blue Peter" and "Newsround", two of CBBC's flagship programmes; "Blue Peter" which recorded its lowest viewing numbers since it started in 1958, and "Newsround" with fewer than 100,000 viewers compared to 225,000 in 2007. As part of the Delivering Quality First proposals submitted by the BBC in October 2011 and approved by the BBC Trust in May 2012, all children's programming on BBC One and Two would be moved permanently to the CBBC and CBeebies channels following the digital switchover. It was found that the majority of child viewers watched the programmes on these channels already and that only 7%