Pep Guardiola has urged his Manchester City players to seize the moment and secure their place in the Champions League semi-finals.The Premier League leaders are bidding to reach the last four for the first time since 2016 as they take a 2-1 advantage to Borussia Dortmund for the second leg of their quarter-final on Wednesday.City have suffered defeat in the last 16 and in three successive quarter-finals since Guardiola took charge of the club.
