The long-running rivalry between factions of Paris Saint-Germain supporters reared its ugly head again on Tuesday as they clashed in Valencia after their team's Champions League match, resulting in eight arrests.

• Blog: PSG do it the hard way
• Blog: Valencia barely still in tie

Carlo Ancelotti's side became the first French team to win at La Mestalla with a 2-1 triumph in the first leg of their last-16 tie, though the historic victory did little ...

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