The Spanish PM also reiterates that Catalonia will not be granted independence because 'it is not legal'.
Radical Catalan separatists hurled rocks and fireworks at police, who responded with teargas and rubber bullets.
Manchester City manager hopes mediators can ease tensions after violent clashes between protesters and police.
Oct 26 match between Spanish rivals postponed by demonstrations.
Police allege protesters had thrown acid at officers.
Request submitted to Spanish Football Federation for Oct 26 match to be reversed.
Demonstrators are saying putting people in prison won’t resolve anything.
Protesters stop trains, block access to Barcelona airport, also roads in the city and across the region.
Separatists say ruling an "atrocity" and "attack on democracy" as police prepare for violence.
Spain's Supreme Court, which has been trying the five men since February, allowed them to leave jail to obtain their formal certificates as elected lawmakers.
Casado and Rivera both accuse Sanchez of betraying Spain for attempting to negotiate with Catalan separatists since he came to power in June.
Secessionists stage protests across the region in response to trials of members of Catalan parliament.
Catalonia declared independence in October 2017, but Spanish authorities stifled the attempt.
The new group, named "The Call", will hold a founding congress Saturday evening, marking the one year anniversary of the secession push.
Spain's conservative prime minister Mariano Rajoy imposed direct rule on Catalonia after last year's unauthorised plebiscite and called early elections.
A poll by the Centro d'Estudis d'Opinio in July shows 46.7% of Catalans surveyed saying they want an independent state, just ahead of 44.9% who do not.
We’re not giving up ... but it will require a different time and a different balance of political forces, Catalan Vice President Pere Aragones said in an interview last week.
La Fageda employs people with mental health conditions, like schizophrenia and bipolar disorder, to help them find purpose in life and greater emotional stability.
Carles Puigdemont will return from Germany after a Spanish judge dropped a European arrest warrant for him.
The new Catalan cabinet was sworn in after months of tensions with the central government, automatically ending Madrid's seven-month rule of the region, imposed by Sanchez' predecessor after separatists declared independence.
Viggo Mortensen has joined Òmnium Cultural.
The Spanish government is attempting to prevent Carles Puigdemont from becoming the leader of Catalonia.
The United Nations Human Rights Committee has publicly backed Jordi Sànchez's right to run for office.
The request comes after protests by independence supporters at the weekend in Berlin and Catalonia calling for Puigdemont's immediate release.
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