Dagenham moved to within one win of the Conference title with a deserved victory over struggling Tamworth.
David Rainford found the top corner with the last kick of the first half to add a goal to a host of missed chances.
It was a deserved opener, but Tamworth responded with Taiwo Atieno and John McGrath both going close.
But Dagenham secured the points eight minutes from time, Ben Strevens lashing in from Sam Saunders' cross to send the hosts into the relegation zone.
Tamworth: Veiga, Law, Bains, Briscoe, Taylor, Friars, Heslop (Quistin 59), Smith, McGrath, Edwards, Atieno (Stevenson 72).
Subs Not Used: Ujah, Storer, Bampton.
Dag & Red: Roberts, Foster , Uddin, Arber, Griffiths, Southam (Saunders 81), Rainford, Leberl, Sloma, Strevens, Benson.
Subs Not Used: Vernazza, Moore, Jamie Taylor, Eyre.
Goals: Rainford 45, Strevens 82.
Ref: C Harwood (Manchester).