Violent clashes erupt after mass housing protest in BarcelonaProtesters in Barcelona set fires, built barricades and hurled projectiles as violence erupted at a housing protest. Affordable housing is a key issue in Spain and the prime minister has called for snap elections after parliament rejected a new law expanding renter protections.Video Duration 01 minutes 31 seconds 01:31Video Duration 01 minutes 01 seconds 01:01Video Duration 02 minutes 40 seconds 02:40Video Duration 00 minutes 37 seconds 00:37Video Duration 00 minutes 45 seconds 00:45Video Duration 00 minutes 42 seconds 00:42Video Duration 01 minutes 15 seconds 01:15