Liverpool boss Jurgen Klopp says his side's "emotional" comeback from 3-1 down to beat Borussia Dortmund and reach the Europa League semi-finals was "pretty cool" to watch.br br ----------------------------------------­­---------------------------------------­-­---------br br CrowdScoresbr br Fastest Live Football Scores Appbr Crowdsourced scores that are consistently faster than traditional media.br Our scores are up to two minutes quicker than other scores apps.