Ukraine Advises Airlines to Avoid Flying over Black Sea

Ukrainian authorities have advised airlines not to fly over the Black Sea due to Russian maneuvers.

Jake Sullivan, the US National Security Adviser, said that the United States of America had information about a planned attack on Ukraine, according to Al-Arabiya.

The US National Security Adviser added that the world must prepare for Russia's invasion of Ukraine, explaining that the Russian invasion of Ukraine could happen before or after the Olympics.

The US National Security Adviser noted: "It is not possible to determine the day on which Russia will invade Ukraine."