Exeter keep hopes alive with hard-fought victory in Gloucester

• Gloucester 17-29 Exeter• Chiefs run in four tries to secure bonus pointA week in Europe can be a very long time, both in politics and in rugby. Last Saturday Exeter were desperately disappointed to lose at home to Gloucester in a result which appeared to have scuppered their European hopes. This time it was the Cherry and Whites who experienced a similar sinking feeling as Chiefs finally secured a relieving victory to throw Pool Two wide open. Related: Champions Cup preview: Carbery to start for Munster, Kruis back at Saracens Related: Premiership clubs in danger of building mental block ab…