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Dartford's pre-season game at home to Welling on Tuesday night has been postponed.
The match was called off after a power failure on Monday afternoon affected Princes Park.
Both clubs have now agreed to play the game on Thursday, July 23, kick-off 7.45pm.
Erith & Belvedere's friendly at home to Tonbridge has also been called off as a result of the power failure, with the game now scheduled for Thursday.