US, Spain, Italy and Greece close embassies in Kyiv

The US Embassy in Kiev, along with other embassies, temporarily closed due to a potential Russian air assault. Air raid sirens were heard, but no attack occurred. Authorities warned of Russian disinformation aimed at causing panic. Meanwhile, the US approved military aid to Ukraine, including anti-personnel land mines, to strengthen its defenses against Russian advances. The Biden administration is expediting aid before the transition of power in the US.

How is the Biden administration responding to the situation in Ukraine?

What are military experts saying about Ukraine's need for defensive measures?