Dylan Hartley sent off as Northampton are swept aside by five-try Leinster

• Northampton 10-37 LeinsterA bad week for Northampton ended in further ignominy when the England captain, Dylan Hartley, was sent off for a wild swinging arm that looks set to earn him another lengthy ban. In front of Eddie Jones and his predecessor as the England coach, Stuart Lancaster, now a member of Leinster’s management, Hartley could hardly have chosen a worse evening to revert from Saint to sinner.With a bonus point defeat leaving Northampton rooted to the bottom of their European pool, Hartley’s latest indiscretion will also not go down well with Jim Mallinder never mind those seekin…