A counter protester is detained by police officers during a political meeting of the far-right party VOX in Madrid, Spain. REUTERS/Sergio Perez

People brave a snowstorm crossing the medieval Charles Bridge in Prague, Czech Republic. (AP Photo/Petr David Josek)

A seagull cries at the beach at the Baltic Sea in Timmendorfer Strand, Germany, as a snow storm approaches in background. (AP Photo/Michael Probst)

Manchester City's Kevin De Bruyne celebrates with Riyad Mahrez after scoring his side's first goal during the Champions League, quarterfinal soccer match against Borussia Dortmund at the Etihad stadium in Manchester. (AP Photo/Dave Thompson)

Police vehicles are seen behind a hijacked bus burns on the Shankill Road as protests continue in Belfast, Northern Ireland. REUTERS/Jason Cairnduff

Lava flows down from the crater of Mount Merapi, Indonesia's most active volcano, as seen from Kaliurang in Yogyakarta. AFP / Agung Supriyanto