DAGENHAM & Redbridge were robbed of a crucial point in their fight for survival as MK Dons scored deep into stoppage time to take all three points.
Mark Carrington benefited from a poor error from goalkeeper Tony Roberts, who could only fumble the player’s shot over the line.
Danny Green had earlier been sent off for the use of an elbow, while Marvin Morgan spurned the hosts’ best when he fired straight at the goalkeeper.
The defeat leaves the Daggers seven points adrift of safety in League One.
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