Principality Premiership leaders Neath suffered a 27-24 defeat to Newport, a result that seriously dents their title hopes.
Neath out scored Newport by four tries to two, with Gareth King, Gareth Gravelle and Alex Jenkins among the scorers. Mike Poole and Richard Dale crossed for Newport, with Lewis Roblyn scoring a crucial five penalties, which was the difference between the teams by the final whistle.
Pontypool suffered another defeat at the hands of Ebbw Vale in a bottom of the table clash. Andrew Bevan and Rhys Jenkins both crossed the line for Ebbw Vale, complimented by four Gareth Bowen penalties achieving a winning margin of 22-12.
Llanelli produced a strong performance to beat Cardiff at Cardiff Arms Park, 42-24. Nick Reynolds, Ceri Jones, Nathan White, John Lewis and Justin James all contributed tries to Llanelli, winning a bonus point along the way. Prop Christian Day scored for Cardiff, as well as Garyn Lucas and Owen Ruttley.
Carmarthen Quins achieved a narrow victory over Bedwas, winning 30-28 in a closely fought game. Bedwas outscored the Quines by four tries to one; Rob Carter, James Murphy, Jamie Jones and Stewart Thomas all crossing the line. Bedwas suffered with indiscipline, conceding six penalties, all slotted over by Gareth Cull as he led Carmarthen to victory.
Llandovery ran in five tries against Glamorgan Wanderers; Adam Yelland, Joe Ajuwa, Howard Thomas, Lloyd Phillips and Dean Fitzgerald taking their chances to score. Cerith Rees converted four tries and added a further penalty to seal the 36-17 triumph. Gareth Knight and Harry Trelawney scored for Glamorgan, with Daniel Fish adding a penalty as well as two conversions.
An exiting game between Pontypridd and Aberavon ended 28-28 at Sardis Road. Chris Clayton, Aaron Branwell and Rhys Downs scored for the home side, with Dean Gunter adding three penalties and one conversion. Ben Thomas, Chris Morgan and Rory Gallagher contributed the Aberavon points total with tries, with Jamie Davies matching Gunter's efforts of three penalties and one conversion.
Sam Cross and Luke Treharne have been named as co-captains of the Wales Sevens side as head coach Gareth Williams names his 12-man squad to play in the first leg of the HSBC World Series in Dubai next weekend.
Bedwas head coach Steve Law and players Nicky Griffiths and Alun Rees extol the virtues of the close knit club as they prepare to host third place RGC 1404 - who are one place head of them on the Principality Premiership points table - on Saturday.
Many of the Wales squad have said Diolch (thank you) to someone who played an important part in their early playing days by nominating them to be invited to the Wales v South Africa match. One person, Gowerton Comprehensive geography teacher Mr Dean Mason was nominated by two of his former pupils, Dan Biggar and Sam Davies.
The second WRU disability rugby pilot has been delivered, this time in Caerphilly schools, culminating in a festival at the Caerphilly Centre of Sporting Excellence, Ystrad Mynach tomorrow. Plans are in place to set up a Disability Rugby Club in Newbridge to provide long-term playing opportunities.
WRU TV: Hear from inside the Wales camp as Neil Jenkins discusses this weekend's clash with South Africa and how the squad are looking to put in a strong performance to round of the 2016 Under Armour Series