Biden And U.S. Military Officials Stand By Claim Missiles That Struck Poland Were Fired By Ukraine

An investigation into the missile blast that left two civilians dead inside Poland this week, highlighting the risks of Russia's war right on the eastern edge of NATO territory, continued on Thursday. NATO, the U.S. and Poland have all said the explosion was most likely caused by a Ukrainian air defense missile fired to intercept one of the dozens of weapons that Russia launched at Ukraine on Tuesday.