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 Choice issues discussed. "Crimewatch Extra" provided follow-up detail on the cases involved in the main programme, and "Row Z" was a football discussion forum that aired after "Match of the Day" finished on BBC One. The 'Hotlink' format has since been adopted by many other channels, particularly both ITV2 and E4. The channel was presented as an alternative to the normal BBC One and BBC Two schedules. This was reflected in its original on-screen presentation which featured groups of threes. For the first year of BBC Choice, children's programming would air on weekend afternoons as CBBC Choice, and included strands like