FT: Bristol 12-11 Bath
FT: Wasps 35-22 Gloucester
Henson kicks all Bristol's points
Gopperth scores 25 points for Wasps
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Bristol 12-3 Bath
Image source, Getty ImagesJordan Williams is forced off for the hosts with an injury, adding to the already large number of players on the Bristol treatment table.
Their defence remains immaculate though - winning another turnover as Bath try to threaten.
Wasps 22-15 Gloucester
A sign of champions is how you respond in adversity and Wasps respond immediately.
Danny Cipriani's grubber kick is too good for the Gloucester backline and Thomas Young helps it back inside to Willie Le Roux to score on his first start for his new club.
Jimmy Gopperth gets the better of the swirling wind to add two more.
Bristol 12-3 Bath
Image source, Rex FeaturesThank goodness for video replays in sport.
David Denton uses his force to dot down in the corner, but yet again Bath are denied by the TMO due to a foot being in touch.
Alby Mathewson is the Bristol man whose tackle saved the day this time.
Bristol 12-3 Bath
Where would Bristol be if this man hadn't been out injured since October?
Semesa Rokoduguni fumbles embarrassingly out of play, and a minute later the hosts have a penalty which Gavin Henson dispatches.
He certainly has the upper hand on his fellow countryman so far.
Wasps 15-15 Gloucester
Image source, Getty ImagesA quiet atmosphere around Wasps' home ground as it has been all Gloucester at the start of the second-half.
Their efforts are rewarded with David Halaifonua dives over out wide. The conversion is not good so we're all square.
Bristol 9-3 Bath
Bath are awarded a penalty at the driving line-out, but Rhys Preistland's kick is wayward.
Small margins are going to make the difference in this game, you would think.
Wasps 15-10 Gloucester
James Hook gets the game in Coventry back underway
Bristol 9-3 Bath
Image source, Rex FeaturesRhys Preistland gets things going again at Ashton Gate.
Can we have some tries please?
HT: Bristol 9-3 Bath; Wasps 15-10 Gloucester
Image source, .Of course we're right in the middle of the Six Nations, where I'm sure most of you are anticipating England's game against Italy later.
But did you know you can watch highlights of all the Six Nations games on the BBC Sport website's video section on rugby?
There you will also find Chelsea boss Antonio Conte's visit to the England camp and why fly-half George Ford supports the Blues.
HT: Bristol 9-3 Bath; Wasps 15-10 Gloucester
Gavin Henson with all of Bristol's points. Jimmy Gopperth's with all of Wasps'.
What did you make of those first 40 minutes in Bristol and Coventry?
As always, send your thoughts using #bbcrugby.
Bristol 9-3 Bath
Image source, Rex FeaturesAnd we've reached the midway point at Ashton Gate.
All points have come from the boot so far.
Derby games are often close affairs, and this one looks to be no different.
Wasps 15-10 Gloucester
Image source, Getty ImagesGloucester have done very well to disrupt the free-flowing Wasps throughout that first 40 and will feel hard done by not to go in, in the head.
The points machine that is Jimmy Gopperth has put Wasps ahead by scoring all their points - two tries, a penalty and a conversion.
Bristol 9-3 Bath
Image source, Getty ImagesThis time Jason Woodward is wronged and gets a penalty for Bristol.
Similar position, same kicker, same result - Gavin Henson gets more points against his old club.
Wasps 15-10 Gloucester
He scores out wide. He scores from the tee. And he scores from the back of a driving maul.
Wasps set up the line-out maul perfectly, the backs flood in and Gopperth adds his muscle to it to get the ball at the back and put down as they cross the line - the adds the conversion.
Wasps 8-10 Gloucester
With Wasps on the attack, maybe Jimmy Gopperth could have done better with his delayed pass out wide but the hosts earn a penalty anyway.
The Premiership's leading points scorer makes amends as his strike sails between the posts.
Bristol 6-3 Bath
Scrum-half Alby Mathewson wins the home side a penalty, and Gavin Henson has the relatively simple task of dissecting the posts.
Bristol back ahead with a minute left of the first half
Bristol 3-3 Bath
Image source, Getty ImagesLine-outs aren't straight, the kicking's not accurate and errors are being made.
This is the biggest crowd Bristol Rugby have had at Ashton Gate this season, but this derby is lacking a bit of quality.
Bath boss Todd Blackadder is already pointing fingers.
Wasps 5-10 Gloucester
Image source, Getty ImagesAt its best, the Wasps backline is arguably the finest assembled in the country and only added in quality in recent weeks with the addition of South Africa international Willie le Roux.
He's shown a couple of glimpses so far but not been able to have a massive influence on the game.
Bristol 3-3 Bath
Image source, Rex FeaturesWhile the game continues into its 30th minute, the Premiership's record try-scorer Tom Varndell has a disagreement with the Bristol doctor.
He took a knock to the head and wanted a quick return to the pitch after his head injury assessment, but the experts clearly feel he should stay off for the time being.
Varndell looks far from happy with the decision.
Wasps 5-10 Gloucester
He was two from two before this strike, but former England regular Billy Twelvetrees gets his angles and his strike all wrong from the penalty.
That said, Gloucester enjoying their afternoon at the Premiership leaders so far, enjoying lots of ball.