"EU visa ban and asset freeze for 150 people and 37 entities in Russia and separatists in Ukraine and Crimea likely to be rolled-over before September 15," he tweeted.

As reported UNIAN, on August 25, Kostyantyn Yeliseyev, deputy chief of presidential administration, said that the European Union might decide in September to extend personal sanctions against individual Russian citizens in case of further escalation of Donbas conflict.