The United States has committed more than $27.4 billion in security assistance to Ukraine since Russia invaded in February last year.
Russian insiders claim the country has completed a terrifying new weapon capable of creating “radioactive tsunamis”.
Denys Monastyrsky, who has died aged 42 in a helicopter crash near Kyiv, is the most senior Ukrainian official to die since the war began almost a year ago.
The three main figures in Ukraine's interior ministry have been killed in a helicopter crash beside a nursery in an eastern suburb of the capital Kyiv.
