A midfield knock-on halts Glasgow's momentum, but they are back on the attack.

The TMO says no, but it's now a scrum five to Glasgow.

Image source, Owen Rawlings

Niko Matawalu again sparks Glasgow's attack, this time from close range and the question is yes or no to a Josh Strauss touchdown?

David Elliott has emailed us from, what we presume, is a slightly warmer land!

He says: "Buenas Noches. I'm following this from a small town near Toledo, Spain. We don't get much rugby on TV here, all football, basketball and on now is handball. ARGH! So it's good to be able to follow it with the Beeb. Come on Warriors!"

Where are the rest of you? Wrapped up at home or braving the Friday night rain?

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Niko Matawalu and fellow Fijian Leone Nakarawa are heavily involved as Glasgow battle back into Scarlets' 22.

Scarlets flanker John Barclay pulls Glasgow lock Tim Swinson's head-guard back off the ball. That earns a warning too, and a penalty.

Image source, Owen Rawlings

Another chance for Rhys Priestland and the same outcome from 40 metres out on the right. It barely crosses the 22 as the wind again plays havoc and the match remains scoreless.

By the looks of things it's going to take tries to decide this one because the kickers are on a hiding to nothing.

Liam Williams is halted 10 metres out and Glasgow's Alex Dunbar holds on to long in the tackle. But for Rhys Priestland the wind is also unkind as he fails to hit the target

After all the news in Wales on Friday about returning to traditional club colours, it's entertaining to see the Scarlets are playing in yellow.

Fine red shorts, however!

Another scrum, another penalty, allowing scrum-half Niko Matawalu to break away, but Hadleigh Parkes cuts the move off and send the ball back into Glasgow's 22.

Image source, Owen Rawlings

Referee George Clancy issues a warning to both teams about back-chat.

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Swirling wind and plenty of rain out there. We're already seeing the effect on kickers with Russell's early miss for Glasgow.

Meg Hooper simply says: "GO SCARLETS!!!!!!!!"

Finn Russell's attempt to reward Glasgow's first period of pressure, but the wind puts paid to his penalty effort as it drifts wide.

Image source, Owen Rawlings

It's not a night for kickers!

Tommy Seymour leads the defensive effort, helping them win another penalty followed by a line-out close to Scarlets' line.

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The re-set scrum ends in the game's first penalty, to Glasgow, relieving the pressure on them.

The first scrum ends in a re-set. Here we go for the bane of the game, perhaps?

Tom English of BBC Scotland at Scotstoun

The heavens have opened above Scotstoun and we're looking at a fairly grim scene here in Glasgow. Plenty of wind, too. Big and testing night for both sides. For all the positivity at Glasgow the they haven't been at their best too often in the recent past. They've lost their last two in Europe and have lost the 1872 Cup to Edinburgh and were beaten by the Scarlets in November. Meanwhile, the rain continues to come down in sheets

Scarlets launch and 11-phase early attack despite the conditions, but it falters when Jake Ball spills possession.

And we're underway with the wind at the visitors' backs.