​Dragons earn bonus-point victory over Welsh rivals Scarlets, who earn four-try bonus point themselvesOspreys beaten 35-19 by Lions in JohannesburgMacs Page try gives Scarlets dream start at Rodney Parade as Sam Costelow adds conversionAnzelo Tuitavuki and Elliot Dee tries – along with Tinus de Beer conversion – move hosts into the leadPage adds second try as Costelow conversion puts away side back in frontDragons regain lead with Rodrigo Martinez try and de Beer conversion early in second halfSam O’Connor try and Costelow extras put Scarlets back aheadHuw Anderson bags a bonus-point try for Dragons as Dee gets his second to extend Dragons’ lead, with de Beer adding conversionIoan Jones scores bonus-point try for Scarlets to set-up tense finale, but last-gasp Rob Hunt try seals victory for hosts, with Jac Lloyd convertingErich Cronje, PJ Botha, Morne Brandon, Boeta Chamberlain and Kelly Mpeku (2) tries along with five points from Chris Smith earn Lions comfortable bonus-point win over Ospreys earlier on Saturday afternoonKieran Williams and Efan Daniel tries – along with Dan Edwards conversion – put visitors ahead at half time – with Ross Moriarty adding late consolation try URC: Dragons v Scarlets – reaction as hosts win Welsh derby thriller