Riots in Barcelona over Spanish rapper jailed for nine years for tweets glorifying terrorism
Police in Catalonia, which has seen most of the rioting, said they had been met with barrage of projectiles
Protestors across region have been setting fire to large refuse containers before using them to block streets
The political response to disturbances has also strained relations inside the country s coalition government
Around 80 people have so far been arrested across the region with more than 100 others injured