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Could the crisis over Catalonia lead to the break up of Spain? With political rhetoric from both Barcelona and Madrid intensifying, David Aaronovitch asks a range of experts whether an independent Catalan state is now a possibility.

He examines what lies behind the Catalan desire for independence and the impact that a split could have on Spain.

Joining David in The Briefing Room:

Miguel Murado, a Spanish journalist

Eduardo Mendoza, one of Spain's best-known authors

Dr Rebecca Richards, statehood expert and Professor of International Relations at Keele University.