Thousands took to the streets of Barcelona's Tuesday evening demanding the release of rapper Pablo Hasel, arrested by Spanish police after being given a jail sentence on charges of glorifying terrorism and insulting royalty in his songs.

A person walks in front of fire during a protest in support of Catalan rap singer Hasel in Barcelona, Spain, Feb. 16, 2021.

Riot police officers aim their weapons toward demonstrators during clashes after the protest condemning the arrest of rap singer Hasel in Barcelona, Feb. 16, 2021.

Supporters of rap singer Hasel demonstrate condemning his arrest in Barcelona, Spain, Feb. 16, 2021.

Police officers from the Mossos d'esquadra are seen breaking up protesters on Passeig de Gràcia during the demonstration.

A woman wearing a face mask is seen helping an injured protester during the demonstration.

People make a fire on the streets of Barcelona as they participate in a protest in support of Catalan rap singer Hasel, Feb. 16, 2021.

Demonstrators in support of rap singer Hasel use tables and chairs to set up a barricade against a door of the rectory of Lleida University after Hasel was sentenced to jail time.

A shared-use rental motorbike seen burning during the demonstration.

Mossos d'Esquadra police officers stand guard during a protest in support of Catalan rap singer Hasel.

Graffiti calling for the freedom of Pablo Hasel is seen on the wall of a bank on Aragón Street during the demonstration.

A demonstrator in support of rap singer Pablo Hasel uses a table to set up a barricade against a door of the rectory of Lleida University.

Spanish rapper Pablo Hasel reacts as he is detained by riot police inside the University of Lleida, after he was sentenced to jail time.

A man runs away from a fire lit street during a protest in support of Catalan rap singer Hasel.

People participate in a protest in support of Catalan rap singer Hasel.

A person takes a picture of a bank after it was vandalized during a protest in support of Catalan rap singer Hasel.