Johnny Sexton leads the scoring as Leinster defeat Harlequins

Making his first appearance in five months, Ireland captain Sexton supplied the bonuses to a third-minute breakthrough try from Conor O’Brien

Leinster's Johnny Sexton scores a try despite Tommy Allan of Harlequins. Picture: INPHO/Laszlo Geczo

Leinster 40 Harlequins 21 

Leinster continued their preparations for the start of the United Rugby Championship with a convincing pre-season triumph over Harlequins at the Aviva Stadium.