Neath took advantage of Newport's game against Newbridge being called off by joining them at the top of the Welsh Premier League table.
The Welsh All Blacks beat Aberavon 33-21 at the Gnoll - with fly-half Matthew Jones slotting six penalty goals - but are still second on the table because of an inferior try count.
Cardiff's horrible season continued at Llandovery, with the Drovers recording a 31-17 victory after leading 20-5 at the break.
Centre Tal Selley, a loan player from the Llanelli Scarlets, scored a crucial try for the home side, while Cardiff's off-season signing from Swansea, talented youngster Jonny Vaughton, scored his first try for the Blue and Blacks after a lengthy spell out with injury.
The loss consigns Cardiff to second-bottom on the table - above only Ebbw Vale - with five wins from 17 matches.
Llanelli climbed above Cardiff with a convincing 34-21 win over Swansea at Stradey Park.
The Scarlets raced to a 15-3 lead with tries to promising youngster Gavin Quinnell - the 19-stone 'little' brother of Welsh internationals Scott and Craig - and fly-half Ceiron Thomas.
Wales scrum-half Mike Phillips - showing his versatility by playing at fullback - and Canadian prop Jon Thiel added scores to give Llanelli a commanding 27-3 at the break.
The All Whites clawed their way back through an 11-point haul to prolific fly-half Luke Richards, but the Scarlets' victory was never in doubt.
Elsewhere, Caerphilly won a 22-20 thriller against Pontypool at Virginia Park, with winger Ryan Howells scoring the crucial second-half try, and Carmarthen Quins' brave attack on the title continued with a hard-fought 21-13 win over Bridgend.
Bedwas consigned Ebbw Vale to the bottom of the table with a comfortable 26-12 victory at Eugene Cross Park, while 19 points from talented young fly-half Lee Thomas gave Pontypridd a tight 24-23 win over Cross Keys.
A pioneering strength and conditioning programme has been delivered to more than 8000 boys and girls at hub schools throughout Wales this season, helping to develop stronger, more flexible athletes for rugby and other sports.
The Singha Premiership Rugby 7s Series returns to the BT Sport Cardiff Arms Park on July 22nd when all four Welsh regions go head to head. Scarlets skills coach Dai Flanagan and Blues Elite Performance Pathway Manager Richard Hodges along with current Welsh squad members were at the launch of this season's event
GB7s women left their England base to train in Wales this week. Olympic Games hopeful Rachael Burford gives WRU TV's Graeme Gillespie her thoughts on Welsh teammate Jasmine Joyce - a 'one touch wonder'
The GB7s women's squad is currently training at Wales' Centre of Excellence where assistant coach Richie Pugh tells WRU TV's Graeme Gillespie some 'tough calls' will have to be made when it comes to finalising the 12 spots for Rio's Olympic Games.