Borussia Dortmund head coach Edin Terzic and Mats Hummels preview UCL semi-final second leg against Dortmund

Borussia Dortmund head coach Edin Terzic and Mats Hummels preview their UEFA Champions League semi-final second leg against Borussia Dortmund. Dortmund lead 1-0 from the first leg<br />Parc des Princes, Paris, France