Local separatist groups known as Committees in Defence of the Republic (CDRs), which organise themselves via Telegram and Twitter, announced they were closing key roads in Catalonia as part of immediate demands to "implement the republic" early on Tuesday morning.

A spokeswoman for Catalan traffic authorities told The Spain Report, however, that the effect on trafffic flow was relatively minor, with alternate routes in place at all three of the protest spots, which nevertheless appear to have been chosen strategically by the CDRs at the borders with France and the Spanish regions of Vale...