"Jill and I send our deepest condolences to the families of all those who died in this tragic accident," the US leader said in a statement posted on the White House website.

Biden also expressed words of support to all those affected, including children.

On January 18, a helicopter crashed in Brovary, a satellite city of Kyiv, killing the head of the Ministry of Internal Affairs of Ukraine, Denis Monastyrsky, and his first deputy, Yevgeny Enin, as a result of the crash.

The Ministry of Emergency Situations of Ukraine clarified that 14 people died in the crash of the helicopter.

The Security Service of Ukraine is considering three versions of the helicopter crash with the leadership of the Ministry of Internal Affairs in Brovary near Kyiv.

The United States said it was not aware of the causes of the helicopter crash in Brovary.