Russia-Ukraine war live: Kyiv opens investigation into helicopter crash; as British, Polish and baltic defence ministers to meet over tanks

Wednesday’s crash outside Kyiv came as the head of NATO said at the annual World Economic Forum in Davos that allies were set to provide “heavier weapons” to the war-battered country.

Ukraine did not claim direct Russian involvement in the helicopter crash, but President Volodymyr Zelenskiy said the tragedy was a consequence of the war.

“There are no accidents at…