Loughor were knocked off the top of SWALEC League Division Two West after they lost at home to Kidwelly
Craig Thomas scored the only try of the first-half for Kidwelly, but Loughor were leading 9-7 until 11 minutes before the end of the game. At this point, the visitors won a contentious penalty, which was kicked by Leighton Walters.
Kidwelly then crashed over twice more, through Jason Smith and Rhys Jones, to pick up a 22-9 win. The new Division Two West leaders are Builth Wells, who were also late winners.
They trailed visitors Llandarcy 9-3 going into the last minute before centre John Thurston crossed for a try.
Thurston then put over the resulting conversion, which was the last kick of the game, to see the Bulls nick the game by a point and head the table.
Bridgend Athletic stay in third after a five try victory over Penclawdd. Mark Bennett grabbed a brace of tries, with others coming from Simon Mustoe, Rob Coles and Rod Davies, as Athletic won 38-3.
In the clash of the top two in Division Three West, second-placed Pontyberem reduced the gap on Aberystwyth to just two points after they won 13-5 at the league leaders.
Two unconverted tries from Dan Hawkins and Justin Lloyd, plus a penalty from Mike Sauro saw Bont secure victory at Plascrug.
Division Four West leaders Llandeilo trounced Cwmgors 37-5, and at the top of Division Five West Milford Haven overtook Cefneithin, who did not play, by narrowly beating Aberaeron 19-15.
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