Sutton & Cheam retain the lead but lost for the first time at Gloucester - 16-13 to Exeter. The sides were all square at 11-11 with more than four minutes remaining; then a late flurry of Exeter goals by Cody Plumbridge, Sam Wordley, Kameron Powell and Jack Cutting secured the points.
Led by five-goal Claudio Bagnoli and Dragos Ungureanu, who scored three, Penguin beat Southampton 13-9. Pangiotis Logothetis contributed five of the Southampton goals.
Portobello lead Championship 4 after picking up two more comfortable wins at Gloucester. South Derby and Invicta Marlins went goal crazy - Derby's Neil Swainson claimed nine in his team's 21-15 win.
Three fine goals in the second period by 15-year-old Connor Keeble put Leeds on track for an 11-7 defeat of Dover.
Picture (by Trevor Hyde): Exeter's Kameron Powell (blue cap) challenges Sutton's Joe Worland at Gloucester.