5640247 18.09.2018 Hungarian Prime Minister Viktor Orban talks to Russian President Vladimir Putin, unseen, during their meeting, in Moscow, Russia, September 18, 2018. Vitaliy Belousov / Sputnik

5640541 18.09.2018 Hungarian Prime Minister Viktor Orban speaks to the media after a meeting with Russian President Vladimir Putin, in Moscow, Russia, September 18, 2018. Vitaliy Belousov / Sputnik

Russian President Vladimir Putin, right, listens to Hungarian Prime Minister Viktor Orban during their meeting in the Kremlin in Moscow, Russia, Tuesday, Sept. 18, 2018. (AP Photo/Alexander Zemlianichenko, Pool)

Russian President Vladimir Putin, right, shake hands with Hungarian Prime Minister Viktor Orban during their meeting at the Kremlin in Moscow, Russia, Tuesday, Sept. 18, 2018. (AP Photo/Alexander Zemlianichenko, Pool)

Hungarian Prime Minister Viktor Orban, left, gestures while speaking to Russian President Vladimir Putin during their meeting in the Kremlin in Moscow, Russia, Tuesday, Sept. 18, 2018. (AP Photo/Alexander Zemlianichenko, Pool)

Hungarian Prime Minister Viktor Orban, left, pose for a photo Russian President Vladimir Putin during their meeting in the Kremlin in Moscow, Russia, Tuesday, Sept. 18, 2018. (AP Photo/Alexander Zemlianichenko, Pool), APTOPIX

Hungarian Prime Minister Viktor Orban (L) shakes hands with Russian President Vladimir Putin during their meeting in the Kremlin in Moscow, on September 18, 2018. (Photo by Alexander Zemlianichenko / POOL / AFP)

5640236 18.09.2018 Russian President Vladimir Putin, right, and Hungarian Prime Minister Viktor Orban shake hands during their meeting, in Moscow, Russia, September 18, 2018. Vitaliy Belousov / Sputnik

5640258 18.09.2018 Russian President Vladimir Putin, right, and Hungarian Prime Minister Viktor Orban talk during their meeting, in Moscow, Russia, September 18, 2018. Vitaliy Belousov / Sputnik

5640534 18.09.2018 Russian President Vladimir Putin, right, and Hungarian Prime Minister Viktor Orban speak to the media after their meeting, in Moscow, Russia, September 18, 2018. Vitaliy Belousov / Sputnik

5640249 18.09.2018 Russian President Vladimir Putin talks to Hungarian Prime Minister Viktor Orban, unseen, during their meeting, in Moscow, Russia, September 18, 2018. Vitaliy Belousov / Sputnik

5640539 18.09.2018 Russian President Vladimir Putin speaks to the media after a meeting with Hungarian Prime Minister Viktor Orban, in Moscow, Russia, September 18, 2018. Vitaliy Belousov / Sputnik