Ansbro's progress was halted by a Yoann Audrin tap-tackle, but Foden collected the pop-up to race over.

BBC: Castres 12-23 Northampton

Saints soaked up some intense Castres pressure before Ben Foden finished off a superb Ansbro break to make it 20-7.

BBC: Castres 12-23 Northampton

Joe Ansbro and Phil Dowson crossed, with a Pierre Bernard try keeping Castres in touch at 15-7 at the break.

BBC: Castres 12-23 Northampton

They finally had a try-scoring opportunity as Joe Ansbro's break set up a great three-on-one chance just yards from the line.

BBC: Premiership: Saracens 24-17 Northampton

After attacking a ruck with vigour and turning over, a Dylan Hartley reverse pass close to the touchline was picked up brilliantly by Ansbro, who surged for the line.

BBC: Castres 12-23 Northampton

Moments later, neat footwork and an equally deft offload from number eight Roger Wilson sent Ansbro away again - the Scotland international making a good 30 metres from halfway before eventually being hauled down.

BBC: Castres 12-23 Northampton