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The battle of a Kent derby failed to inspire Maidstone out of the Ryman League Premier Division relegation zone on Saturday.
The Stones went down 3-0 at home to promotion-chasing Tonbridge, who are fourth after the win while Andy Ford's men are only kept off the bottom of the table on goal difference.
Frannie Collin (pictured) hit a hat-trick to extend Tonbridge's unbeaten run to nine league matches.
Folkestone also remain in the top four after a 2-2 draw at Hastings.
Despite dominating early on, Folkestone only had Smith's 15th-minute opener to show for their efforts.
Goals from Russell Eldridge and Sam Adams' penalty either side of half-time put Hastings ahead but Smith levelled from the penalty spot late on to rescue a point.
Two late goals saw Margate lose 2-1 at AFC Hornchurch.
Lawrence Ball had given Margate a first-half lead but Tommy Black and Lewis Smith scored late on to snatch the points.
In Division 1 South, a crowd of 171 saw Sittingbourne hit back to draw 1-1 at home to Faversham.
Bourne, who lost 4-0 at home to Worthing on Saturday, equalised in stoppage time through Connor Heffernan's stunning 20-yard shot.
Damian Abel had missed a first-half penalty for Faversham but they took the lead five minutes after the break when Dale Skelton heaeded past keeper Matt Reed.
Chatham eased their relegation fears with a 3-1 home victory against Eastbourne Town.
Aaron Firth put Chats ahead on the half-hour and Anthony Hogg doubled the lead on the stroke of half-time.
Sam Crabb pulled one back for Eastbourne but Billy Shinners wrapped up the win late on for Chatham, who also had the luxury of missing a penalty.
Thamesmead are still searching for their first win in seven Division 1 North games - a run stretching back to November - after they went down 2-1 at home to Harlow.