British leadership hopeful Boris Johnson pledges to introduce a new points-based system to control migration after Brexit, addressing a key issue from the EU referendum
The asylum claims within the EU have decreased after its peak in 2015. Due to the current political situation in Venezuela however, the number of asylum applications is slowly rising.
Three votes by the European Parliament in recent years have exposed deep divisions between EU members from the wealthier west and the previously communist east of the bloc.
French President Emmanuel Macron has called for reform of the Schengen system, which currently involves 26 countries: 22 EU countries, plus non-EU Norway, Switzerland, Iceland and Liechtenstein.
Merkel's two-day visit came four months after Greece emerged from its third and final bailout package.