"Unbeatable" Juventus can finally hand goalkeeper Gianluigi Buffon an elusive Champions League title after making five-time winners Barcelona "cry" in the quarter-finals.

Juventus's outstanding display to knock Barcelona out of the Champions League will have the rest of Europe running scared of the Old Lady, defender Leonardo Bonucci said on Wednesday.

Cristiano Ronaldo asked for immunity from the boos of the ever-demanding Santiago Bernabeu crowd after his hat-trick against Bayern Munich on Tuesday fired Real Madrid into the semi-finals of the Champions League for a seventh consecutive season.

Atletico Madrid coach Diego Simeone paid tribute to Leicester City's dogged persistence as the Spaniards saw off the English champions 2-1 on aggregate to reach the Champions League semi-finals for a third time in four seasons.

Bayern Munich goalkeeper Manuel Neuer may be sidelined for the rest of the season after fracturing his left foot during the 4-2 loss at Real Madrid in Tuesday's Champions League quarter-final second leg.

Bayern Munich left the Santiago Bernabeu furious with referee Viktor Kassai and his team of assistants after being knocked out of the Champions League by Real Madrid on Tuesday.

Borussia Dortmund, still shocked after a bomb attack on the team bus last week, have a slim chance of overturning the 3-2 home loss to Monaco in their Champions League quarterfinal first leg, club CEO Hans-Joachim Watzke says.

Diminutive, dynamic and armed with a deadly left foot, Paulo Dybala could be a prototype of a Lionel Messi clone.

Arsenal kept alive their slim hopes of securing a Champions League spot next season with a 2-1 Premier League victory at Middlesbrough on Monday that left the hosts in deep danger of relegation.

Leicester City remain a surprise guest at the top table of European football but a place in the Champions League semi-finals beckons if they can overturn a 1-0 first-leg deficit against Spanish heavyweights Atletico Madrid.

Four hundred and ninety eight and counting. Lionel Messi closed in on 500 goals for Barcelona with two against Real Sociedad on Saturday night and they turned out to be very important.

Borussia Dortmund bounced back from the trauma of the bomb attack on their team bus and their Champions League defeat in midweek to earn an emotion-filled 3-1 home win over Eintracht Frankfurt in the Bundesliga on Saturday.

Gonzalo Higuain's brace sent Juventus eight points clear in Serie A with a 2-0 win at struggling Pescara on Saturday, as Napoli capitalised on a Roma slip-up to boost their Champions League hopes.

Borussia Dortmund CEO Hans-Joachim Watzke says he flirted with pulling the club out of the Champions League after Tuesday's team bus attack before resolving not to give in to the bombers.

Atletico Madrid coach Diego Simeone believes his side face a "pure night" of football when they take a 1-0 to Leicester City's King Power for the second leg of their Champions League quarterfinal.

Three bombs hidden in a hedge that exploded when the Borussia Dortmund Champions League team passed by proved that no sporting event is now safe from a militant attack, experts said.

They lost the game, but realised there is more to life than soccer.

Security has been tightened around the star-studded Real Madrid squad, led by superstar Cristiano Ronaldo, for Wednesday's Champions League match at Bayern Munich following the Dortmund team bus blast.

At least one person has been injured by an explosion on the bus taking the Borussia Dortmund soccer team to their Champions League quarter-final first-leg match against Monaco on Tuesday, the German club said.

Atletico Madrid have grown accustomed to slaying Europe's giants in the Champions League under Diego Simeone, but ending Leicester City's run may prove even tougher than ousting Barcelona or Bayern Munich, according to Filipe Luis.