Dagenham & Redbridge will take their fight for survival to the final day after they beat Carlisle.
When Lubo Michalik fouled John Akinde in the area early on, Danny Green saw his penalty saved but Jon Nurse was on hand to fire in the rebound.
Akinde saw an effort parried by Adam Collin straight to Nurse, who tapped in to double the lead.
Green fired in a low drive to seal the points, before he was sent off late on for a second bookable offence.
The Daggers need at least a point against Peterborough to have any hope of avoiding relegation from League One.
A point could be enough to see them survive, but they would need Walsall to lose at Southampton.