Previous leaders York drew 0-0 with Guiseley.
Hereford, who did not play tonight, have dropped six places to 13th.
Results
AFC Telford United 4-3 Gloucester City
Bradford (Park Avenue) 0-3 Farsley Celtic
Gateshead 1-0 Spennymoor Town
Guiseley 0-0 York City
Kettering Town 0-2 Boston United
Kidderminster Harriers 1-3 Brackley Town
King's Lynn Town 3-2 Alfreton Town
Southport 2-1 Altrincham
Top of the table
1) King's Lynn P9 22pts
2) York P9 21
3) Chester P9 18
4) Guiseley P9 17
5) Alfreton P9 16
6) Leamington P9 14
7) Brackley P9 14
13) Hereford P8 12