President Volodymyr Zelenskyy on Tuesday called apparent Russian missiles striking a site in Poland "a very significant escalation" of the war.A senior U.S. intelligence official said missiles crossed into NATO member Poland, where two people were killed.If confirmed, the strike would mark the first time in the war that Russian weapons have come down on a NATO country.In his nightly address, Zelenskyy warned that "it's only a matter of time before Russian terror goes further."AP
