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Dover snatched a point at home to Staines in Blue Square Bet South thanks to an injury time equaliser from Ben Hunt.
An ill-tempered affair saw Joe Tabiri sent off in the last 20 minutes for a second bookable offence, moments after the visitors had also been reduced to 10 men. Second half substitute Hunt was bundled down by the last man as he ran through on goal.
Dover went behind on 21 minutes when striker Richard Butler poked in a scrambled effort on the line and capitalised from some poor defending.
The Swans front man became a target for repeated fouls throughout the rest of the game and was booked himself for a foul on Tom Wynter mid way through the first half.
Olly Schultz struck the post in first half stoppage time in a frustrating opening 45 minutes.
Ross Flitney was called into action in the Dover goal to tip over a quick free kick from Butler on 68 minutes.
Just as Martin Hayes' men looked like returning leaving Crabble empty-handed, Luke I'Anson's cross was headed home by Hunt in the first added minute.