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Malaga president Abdullah bin Nasser Al-Thani has called for UEFA to investigate his team's dramatic 3-2 Champions League defeat at Borussia Dortmund last night.
Dortmund scored two goals in 70 seconds in added time at home to reach the last four of the Champions League for the first time in 15 years.
Replays showed both Germany midfielder Marco Reus' 91st-minute equaliser and Felipe Santana's 93rd-minute match-winner looked to have been scored from offside positions, leaving Malaga's Qatari billionaire president fuming.
Christiano Ronaldo's Real Madrid also advance to the semi-finals, 4-3 on aggregate over Galatassaray.
Meanwhile, Barcalona are sweating on the fitness of Lionel Messi ahead of their home quarter-final against Paris St Germain tonight - its locked at 2-goals apiece from last week's tie with Barca enjoying the away goals advantage.
At the Juventus Stadium, Juventus are chasing a 2-nil deficit from the first leg against last year's beaten finalist Bayern Munich.