British Superbikes: Keith Farmer secures Knockhill Supersport double

Keith Farmer won the British National Superstock titles in 2011 and 2012

Keith Farmer clinched a double success in the Supersport class at the British championship round at Knockhill.

The Clogher rider won Saturday's sprint race and followed that up with a victory in Sunday's feature race.

Andrew Irwin from Carrickfergus was runner-up in both events, with David Allingham fifth and third, and Dublin's Jack Kennedy third and fourth.

Allingham lies 27 points behind series leader Tarran Mackenzie, with Farmer third overall and Irwin fourth.

Yamaha-mounted Michael Laverty finished eighth and 10th in the feature Superbike races and lies 13th in the championship standings.

Glenn Irwin drops from fifth to ninth in the series after missing this weekend's races with a dislocated shoulder and dislocated elbow suffered in Friday's free practice session.

Fermanagh's Josh Elliott was fifth in one of the British Superstock 1000cc races on his return to action with the Tyco BMW team in place of the injured Ian Hutchinson.

Carl Phillips ended ninth and 12th in the same class on his MD Racing Suzuki.

Eugene McManus had a best result of third in the MotoStar class, with Richard Kerr fifth in the same race.