16:00The Official Chart on Radio 1 with Jack Saunders20/06/2010BBC Radio 1 Duration: 3 hours Sun 20th Jun 2010, 16:00 on BBC Radio 1 N. IrelandReggie counts down the latest official Top 40 to reveal the UK's new Number 1 first, plus the latest news and gossip from those behind the chart headlines.GenresMusicPop & ChartEntertainmentBrandThe Official Chart on Radio 1 with Jack Saunders Source: BBC Online