Cardiff's title push took a blow as they went down 23-17 against Newport at Rodney Parade. The home side appeared to be cruising after a try from Michael Poole and 11 points from the boot of Chris Wannell gave them a 16-3 half-time lead.
Cardiff hit back through a Ryan Howells try and three Gareth Davies penalties but a try by hooker Michael Leaman sealed the win for Newport.
Bedwas kick-started their season with a fine victory over Glamorgan Wanderers at Bridge Field.
The home side were forced to come from behind after three Scott Sneddon penalties gave the Wanderers a 9-6 half-time lead. Lock James Murphy led the Bedwas comeback, scoring two of his sides four second-half tries. There were also scores for centre Kristian Owen and full-back Andrew McLaughlan and eight points from the boot of Gethin Worgan as Bedwas sealed the bonus-point victory, 28-9.
Carmarthen Quins hammered lowly Ebbw Vale after a magnificent second-half performance produced six tries. Two Gareth Cull penalties had given Quins a narrow 6-3 lead at the break, but the floodgates opened thereafter.
A hat-trick from the superb Darren Daniel did the damage for the home side. There were also tries for wing Richard Harris and centre Jason Harries, plus a penalty try, as Quins eased to a 42-3 triumph.
Friday night's game between Aberavon and Cross Keys saw the home side come out on top in a messy affair at the Talbot Athletic Ground.
Centre Chris Tossell and lock Gavin Ronan scored the tries for the Wizards as they won 17-9 in the pouring rain.
Nearly 40 players were involved in the first Wales Under 18 training session of the season. WRU National Performance Manager Gethin Watts is excited at the potential shown by the group and expects the Regional Under 18 Championship to hone their skills even further.