German Chancellor Angela Merkel told Russian President Vladimir Putin on the phone on Saturday that a four-way summit to discuss the situation in eastern Ukraine would not take place until there was real progress on the Minsk peace plan.
The foreign ministers of France, Germany, Russia and Ukraine will meet in Berlin on Monday to discuss the situation in eastern Ukraine and the implementation of the Minsk peace plan, Germany said on Friday.
This week's deadly attacks in France by Islamist gunmen showed the limits of spy and anti-terrorist agencies, which often have information about perpetrators in advance but are only able to assemble all the clues after the bloodletting has taken place.