WATCH: Barcelona fall behind to Inter as Lautaro Martinez scores

WATCH: Barcelona fall behind to Inter as Lautaro Martinez scoresBarcelona must win at the San Siro to book their place in the Champions League final, but early on, they have fallen behind to Inter in the second leg of their semi-final tie.It has been a tough opening 20 minutes for Hansi Flick’s side, who have struggled to get into the game. And things have only gotten worse now that Lautaro Martinez has scored the first goal of the encounter following an error from Dani Olmo.LAUTARO MARTIN