El Clásico: Catalan protests at Barcelona v Real Madrid match

Protesters and police have clashed outside one of Europe’s most watched football games – Barcelona v Real Madrid, or “El Clásico”.

Here’s why there was unrest at Barcelona’s Nou Camp stadium on Wednesday night.

Video journalists: Pol Reygaerts and Bruno Boelpaep; producer: Esperanza Escribano

source: bbc.com