Complex sentence: Until 1991, "Midlands Today" covered the entire Midlands region-the East Midlands counties of Derbyshire, Leicestershire and Nottinghamshire are now covered by "BBC East Midlands Today" based in Nottingham.
Split into simpler sentences: Until 1991, "Midlands Today" covered the entire Midlands region. However the East Midlands counties of Derbyshire, Leicestershire and Nottinghamshire are now covered by "BBC East Midlands Today" based in Nottingham.