Scarlets kept up the pressure on Leinster at the top of Conference B with a handsome win against Glasgow.
Rhys Patchell was the star of the show with two tries as Leigh Halfpenny chipped in with three penalties.
Wales' scrum half Gareth Davies scored a second half try while his opposite man scored Glasgow's only try of the game.
The win ensured the Welsh team kept the gap to Leinster in the Conference to only three points.
Glasgow stay top of Conference after only their second defeat of the season in the Pro14.