Real Madrid 1-2 Manchester City: Pep Guardiola says City must be 'cautious' for second leg

Manchester City boss Pep Guardiola says his team will have to be "alert" to the changes Zinedine Zidane will make when they next face Real Madrid in their Champions League second leg following a thrilling 2-1 victory at the Bernabeu.

MATCH REPORT: Real Madrid 1-2 Manchester City