The United States said it had reopened its embassy in Kyiv late on Wednesday after it had shut for the day due to what it called the threat of a significant air attack, a day after Ukraine used American missiles to hit a target inside Russia.

The United States shut its embassy in Kyiv on Wednesday morning due to what it called the threat of a significant air attack, a day after Ukraine used American missiles to hit a target inside Russia in what Moscow described as an escalation in the war.

The escalated tensions in the Eastern European country come after Biden authorized Ukraine to use U.S.-supplied missiles against Russia for the first time.

The United States embassy in Kyiv will resume operations after a temporary pause following threats from Russia of a “particularly massive” rocket attack on Ukraine’s capital.

The unusual alert came a day after Ukraine used American-made ballistic missiles to strike Russian territory for the first time. At least two other Western embassies closed for the day after the warning.

The United States is sending landmines to Ukraine. It's a big move. The international community has long disapproved of those weapons because of how easily they can injure innocent people. American leaders say these mines are less risky because they eventually lose the ability to detonate.

View of Kyiv as US Embassy warns of threat of ‘potential significant air attack’ The US embassy in Kyiv was shut down on Wednesday morning after receiving information of a potential significant air attack,

One day after Ukraine for the first time launched US-made missiles deep into Russian territory, air raid sirens rippled across Kyiv in response to online indications that Russia might be preparing a missile and drone attack on the capital.