FC Barcelona and PSG narrowly escaped Champions League heartbreak as Dortmund and Aston Villa threatened major comebacks in two dramatic second-leg encounters. A Guirassy hat-trick and a Villa fightback made it close,

The Champions League is down to its final four, with Arsenal, PSG, Barcelona, and Inter vying for the ultimate prize. The competition is fierce, and the stakes are high as these European giants prepare for a semifinal showdown.

Arsenal hosts Paris Saint-Germain on April 29 in north London, where defending champion Madrid lost by a stunning 3-0 last week in the first leg of the quarterfinals. PSG hosts the return game on May 7 at Parc des Princes, which has hosted three finals including the inaugural European Cup in 1956.