Kuliak, 20, a former Russian junior champion, had just finished third in the parallel bars at a World Cup event in Doha, behind Ukraine's Illia Kovtun, who won gold.
According to reports, the jet had just entered the airspace of Kharkiv when a surface-to-air missile was fired that straightaway hit the aircraft bringing it down to the ground in minutes.
This will be a fresh attack given that earlier attempts by Russian forces to take control of Kyiv had failed in the face of fierce resistance form Ukrainian army.
It was earlier reported that Putin has shifted his family to a high-tech bunker in Siberia that is well protected and safe in case a nuclear war breaks out.
When the short clip is slowed down, it shows at least six rockets hitting the buildings, with terrified civilians can be seen fleeing from the inferno as smoke rises and the wailing of a car alarm pierces the air.
According to the intel report, senior Chinese authorities were to some extent aware of Russia's military plans or intentions before the attack began last week.
Kherson's mayor Igor Kolykhaev took to Facebook to urge the residents to obey "armed people who came to the city's administration" after Russian forces took control of the city.
At least four explosions were heard, with one being reported to have taken place near the city's metro station which is also being used as a bomb shelter.
One of the main reasons behind this is the men fighting the war for Russia are inexperienced that has resulted in heavy casualties and by seeing this the confidence of the others have been shattered.
Authorities are also urging residents to be on the lookout for unusual individuals prowling their communities, who may be leaving aerial hints for their Russian associates.
Ukraine's President Volodymyr Zelensky in a late-night address accused Russia of war crimes and said that using vacuum bombs was a "violation of all conventions."
Videos and photos on social media showed spent BM-21 Grad missile cartridges sitting in the streets and having crashed through apartment rooftops, as well as graphic images and video showed streets filled with the remains of dead and critically injured citizens.