Johnny Sexton still to discover the severity of Saturday's hip injury

News on his fitness will be closely monitored by Andy Farrell given that Ireland host Japan in three weeks before facing the All Blacks at the Aviva Stadium on November 13.

Leinster's Johnny Sexton pulls up. Picture: ©INPHO/Ryan Byrne

Johnny Sexton will undergo further assessment this week to discover the severity of a hip injury he sustained in Saturday night's win over Scarlets.

Sexton was forced off in the second half of the 50-15 victory with coach Leo Cullen describing the issue as 'a hip flexor thing'.