The British government has come under pressure to publish papers detailing the potential impact of Brexit, after MPs appealed to a rare parliamentary power.
Will Catalonia's unilateral declaration of independence encourage other European regions to launch similar political movements?
France and Germany have been the main forces behind European integration and the relationship between their respective leaders has been intrinsic to the development of the European Union.
Spain moves to take over the running of Catalonia after the rebellious region's parliament unilaterally declaring independence. So what happens now?