Mikel Arteta said that Arsenal must learn from conceding two goals in the first half of the Champions League semi-final, by ex-Arsenal player Serge Gnabry and former Tottenham Hotspur striker Harry Kane, which gave Bayern a halftime lead after going 1-0 up through a Bukayo Saka goal. "In the return leg we have to do much better," said Arteta when speaking about his teams game management. ► Subscribe to Guardian Australia on YouTube ‘We gave them two goals’: Arteta’s anger at Arsenal errors in Bayern Munich draw Trossard keeps Arsenal hopes alive with equaliser against Bayern Munich Arsenal still have demons and Bayern show they will not be slain easily