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Match gallery: Carlisle United 2 Chesterfield 0

Chesterfield�"s Louis Reed drives a shot into the Carlisle United net but it was disallowed for offside: Picture by Steve Flynn/AHPIX.com, Football: Skybet League One match Carlisle United -V- Chesterfield  at Brunton Park, Carlisle, Cumbria, England on copyright picture Howard Roe 07973 739229
Chesterfield�"s Louis Reed drives a shot into the Carlisle United net but it was disallowed for offside: Picture by Steve Flynn/AHPIX.com, Football: Skybet League One match Carlisle United -V- Chesterfield at Brunton Park, Carlisle, Cumbria, England on copyright picture Howard Roe 07973 739229

Chesterfield’s relegation worries increased at Carlisle, as Jack Lester’s side crashed to their 20th league defeat of the season.

Kelvin Etuhu opened the scoring and substitute John O’Sullivan sealed victory late on after Louis Reed had a goal disallowed for the Spireites.

Defeat means Chesterfield are now five points from safety in the League Two drop zone.