Manchester City manager Pep Guardiola speaking to BBC Sport: “We were definitely better in the second half. Arsenal have taken a step forward. It was a tight game and you realise how good a side they are. I did not expect the approach from them – man-to man – it was difficult to build up but we beat the team at the top of the league and are in the next round.
“What a season he [Nathan Ake] is playing. He controlled one of the toughest opponents in the Premier League because Saka is in an incredible moment.