Leaders Bargoed had a lucky escape as a late touchdown by Andrew Mcloughlin edged them to a last-gasp 10-9 victory at battling Bonymaen.
It was the full back’s second try of a tight game as Bargoed fought back from a 6-0 half time deficit to stave off only a second defeat of the season and hold on to top spot.
Richard Cunniffe’s penalty hat-trick seemed enough to give the Swansea side a shock triumph before Mcloughlin struck five minutes from time to spare the visitors blushes.
Ebbw Vale remain in hot pursuit after a crushing 62-11 defeat of Llanharan. Scrum half Chris Thomas crossed twice to lead a nine try spree in another sparkling bonus point performance.
There was a much closer contest in Cardiff as the students of Cardiff Mets fought off the challenge of Newbridge to win 12-0 and move above their Gwent rivals. Defences were in control and it was the boot of Matt O’Brien that made the difference, his four successful penalties giving the hosts the verdict.
A brace of touchdowns by Narberth flyer Tom Bonnell steered the Otters to a 27-6 bonus point victory over struggling Pontypool, Alex Jenkins and Steve Martin also crossing for the west Wales outfit.
Meanwhile, Bridgend Athletic stole a tense 28-24 success at Blackwood to move up a place and away from the danger zone. Although the visitors lost out on the try count, the kicking of Steve Lewis proved decisive, his 13 points adding to tries from Nick Hinton, Griff Davies and James Old. Centre Rhys Humphreys crossed twice for Blackwood, with Chris Jones and Greg Callow also crossing but they finished on the losing side.
Glamorgan Wanderers slipped a place as they crashed 60-15 at Tata Steel, who crossed the whitewash eight times, Simon Evans getting a hat-trick and Ben Davies a brace.
Whitland continue to prop up the table after they went down 17-6 to Beddau, Tom Benjamin accounting for all the Beddau points.