Guinness Premiership Round-up:Fullback Delon Armitage and fly-half Peter Hewat shone for London Irish as they went two points clear at the top of the with a comfortable 42-12 victory over second-placed Gloucester at the Madejski Stadium.
The Exiles have now won 10 consecutive matches in all competitions since an October 5 defeat at Worcester Warriors in the league.
They wrapped up the win in some style as Sailosi Tagicakibau and replacement Declan Danaher got over to claim the bonus point.
Matt Banahan secured a dramatic last-gasp victory for Bath as they climbed to second place with a 24-20 win over Sale Sharks at the Recreation Ground.
The juggernaut England Saxons wing struck with just 52 seconds remaining of a feisty encounter.
.Replacement Dave Walder sparked a blistering three-try final 10 minutes for Wasps as Ian McGeechan's men clocked up a fourth consecutive win, beating Saracens 33-24 at Adams Park.
With just nine minutes remaining Wasps looked dead and buried but two Walder passes set Rob Hoadley and Josh Lewsey over for scores, while England wing Paul Sackey charged down a Noah Cato punt.
Toby Flood ran the show against his former club Newcastle as Leicester inflicted the Falcons' fifth straight Premiership defeat.
The outhalf moved to Welford Road from Newcastle in the summer and contributed 10 points with the boot as well as setting up Geordan Murphy for the game's opening try in the 20-3 victory.
