Ebbw Vale extended their lead at the top of the Swalec Championship and secured local bragging rights thanks to a narrow 13-19 victory over Pontypool.
Tries from Carl Meyer and Wes Cunliffe gave the Steelmen a 3-13 lead at halftime, and despite a Steve Pooler score a Ronny Keynes try secured the points.
At the other end of the table Beddau squeezed past Bridgend Athletic 17-15. Glen Slater scored twice as Beddau cruised to a 14-point lead but Bridgend rallied, with Steve Lewis missing a last minute conversion to secure the draw.
There was another tight game at Blackwood, with Alex Jenkins' last minute try giving Narberth a 30-28 victory.
Bargoed also won at the death as they beat Cardiff Met 16-17, with the whistle going straight after fly-half Joel Prosser converted Lee Peterson's try.
There was a more straightforward affair at the Welfare Ground as Newbridge sailed to a comfortable 31-0 win over bottom of the table Bonymaen, with Richard Powell converting all four tries.
Twenty points from Cody Rees gave Llanharan a 34-27 win over Tata Steel, a win which moves them clear of The Saints.
Tata Steel outscored Llanaran four tries to three, with Ross Pritchard going over twice, but the boot of Rees guided Llanharan to victory.
Elsewhere, RCG 1404 beat Tondu easily away from home. RCG scored eight tries, with braces for Hopkins and Hugh Grundy, as the Waterwheelers were easily dispatched.
WRU International Skills Coach Jason Strange is a busy man, combining the new role with that of Wales Under 20 attack coach, Ebbw Vale head coach and continuing to teach at Ebbw Fawr Learning Community.
Warren Gatland and Sam Warburton look ahead to this week's crunch RBS 6 Nations tie against France, where the Wales skipper in particular is keen to make his mark, as Paris has proved a bleak place for him in the past.
Following their historic win over England, Wales Under 20 suffered a narrow, 36-34 loss to their Scottish counterparts last weekend, despite outscoring them by five tries to three. Watch the match highlights and reaction.
WRU TV go behind the scenes with the Wales squad as they put the final touches in place ahead of the clash against Scotland at Murrayfield. Follow the squad on their captain's run, the kickers visit to Murrayfield and Neil Jenkins' press conference