German Chancellor Angela Merkel said Russia showed "some openness" on joint surveillance of its border with Ukraine as French President Francois Hollande called for drones to be deployed as quickly as possible.
Russia's War Against Ukraine
Bloomberg Business: Ukraine drone deal near as Merkel dees progress on border
A Heron 1 drone is seen at the International Air Show ILA in Schoenefeld near Berlin on May 21, 2014.
