“President Poroshenko assured me that the imposition of martial law in Ukraine will not affect democratic processes and institutions in Ukrainian society,” Tass quoted Stoltenberg as saying.

The head of NATO also called on Russia to release the Ukrainian sailors and ships that were detained on November 25 as a result of the incident in the Kerch Strait.

Earlier it was reported that the speaker of the Verkhovna Rada of Ukraine, Andrei Paruby, will visit NATO headquarters and meet with Alliance Secretary General Jens Stoltenberg on November 27.