A spectator who abused Simon Zebo during Ulster's Champions Cup meeting with Racing 92 has been given a lifetime ban by the Pro14 club.
Saracens and Racing 92 secured home quarter-finals in the Champions Cup but the hopes of Exeter Chiefs are over after defeat at Munster.
At the age of just 28, former Springbok Patrick Lambie has retired from professional rugby, his club Racing 92 have announced.
All four Pro14 sides in European Rugby Champions Cup action on Saturday secured victories, three coming against French opposition.
Racing 92's win over Toulon will not have made pleasant viewing for France coach Jacques Brunel as Teddy Thomas was injured.
Toulouse ended 2018 on a high note, dishing out a crushing defeat to Toulon in one of three Top 14 games on Sunday.
Stade Francais moved up to fifth in the table as Toulon and Racing 92 ran out convincing winners in Saturday's Top 14 action.
Back-to-back wins over Newcastle Falcons have Edinburgh closing in on a quarter-final place in the European Champions Cup.
Premiership leaders Saracens made it three wins from three in the European Champions Cup after victory over Cardiff Blues on Sunday.
Montpellier's late rally did not deny Top 14 leaders Clermont Auvergne a 28-23 victory, while Guilhem Guirado scored a try in Toulon's win.