RT News - October 28, 2017 (12:00 MSK)

Spain's constitutional crisis hits boiling point - as Catalonia proclaims independence, while Madrid moves in to sack the government and seize direct control. A top US senator demands that Twitter discloses account data from Wikileaks and groups linked to it. The social network's due to testify before Congress in the investigation into alleged Russian meddling in the presidential election. Protests mar the French president's visit to an impoverished South American territory - after he rules out state aid saying he's 'not Father Christmas'.