Luton go down to 3rd - three points behind the Stags - after a last minute winner from Matthew Sparrow saw Scunthorpe win 3-2. The Hatters have now won only one of their last six games.
Rushden & Diamonds thought that they had taken the points when Hall scored in the 87th minute for them against Rochdale, but Townson equalised two minutes later. 'Dale stay 4th with 54 points from 33 games.
City are one point behind them having played a game more.
Scunthorpe's win sees them go two points behind us, while Shrewsbury climb to 7th after beating Leyton Orient 1-0.
Cheltenham were in FA Cup action today, and move down a place to 8th but gain another game in hand of their rivals. Rushden are 9th.