President Poroshenko has cancelled his official visit to Turkey for the inauguration of the President Erdogan due to a sharp worsening of the situation in Donbass and Russian invasion of Ukraine. In his speech at the NSDC he urged not to panic and called situation in Donbass extremely difficult but controlled. He has also informed that consultations have started at the level of military headquarters of Russia and Ukraine, aimed to establish border control and exchange of prisoners of war. President Poroshenko issued an order to enforce decisions of NSDC from 27th of August. Most parts of the document are being kept secret. He as well approved military plan for Donbass for the nearest future. Deputy head of the Presidential Administration Zubko stressed that introduction of the martial law is of benefit for aggressor, because as he said the country introducing such law can’t receive military and technical support from other countries.