Full-back Rhys Patchell landed a dramatic last-gasp penalty to secure a derby day victory for Cardiff Blues over Newport Gwent Dragons at Rodney Parade.
Cardiff staged a stunning comeback to claim a 37-27 bonus-point win over Montpellier to keep hopes of qualifying for the European Challenge Cup's knockout stages alive.
Ulster boss Les Kiss has described French heavyweights Toulouse as "predictably unpredictable" ahead of Friday's European Champions Cup clash in Belfast.
Ulster number eight Nick Williams has received an eight-week ban after being cited for striking Cardiff Blues back Rhys Patchell during a Guinness PRO12 game.
Ulster marked the return to action of Chris Henry four months after career-threatening health problems with a pulsating 36-17 Guinness PRO12 win over Cardiff Blues at home.
Cardiff Blues returned to the top of Pool One in the European Challenge Cup in astonishing fashion, running over a hundred points beyond part-timers Rovigo at Arms Park.