KARIM ADEYEMI SCORED three goals in the first half as Borussia Dortmund handed Celtic a brutal Champions League reality check, winning 7-1 at home.
Celtic came into the match having won eight from eight in Scotland and Europe this season, but were blown off the park in Germany, Dortmund leading 5-1 at half-time.
By then, Emre Can had opened the scoring from the penalty spot while Adeyemi had already scored three goals and had won another spot kick, converted by Serhou Guirassy.
Adeyemi was a constant threat for the home side, popping up all over the pitch to bamboozle the Celtic defence.
The Germany forward was subbed off three minutes into the second half but the visitors were spared any respite, Guirassy scoring an excellent solo goal and Felix Nmecha netting a late strike.
The victory equalled Dortmund’s biggest ever Champions League win while leaving Celtic’s ambitions of impressing on …