Highly classified B-21 is first new American nuclear bomber aircraft in more than 30 years and was developed and built in just seven years

American military chief cites 'whole series of Israeli systems that are quite capable' of countering Russian strikes; Jerusalem has previously rebuffed Kyiv's request for Iron Dome

No immediate reports of injuries in attack, day after US-led group of countries vowed to deliver new anti-missile systems to Kyiv

Washington has provided Kyiv with more than $14 billion in security assistance since January; new tranche to include howitzers, Humvees, anti-tank systems

Delivery will be largest since invasion began; US president also promises $225 million in humanitarian aid

In Washington, defense minister calls for array of actions against Tehran, reiterates Israeli commitment to Ukraine

Defense minister to hold talks with Lloyd Austin in Washington on Thursday, before meeting with Jewish communities in New York and Miami

At least nine killed in Russian attacks on towns and cities in eastern and southern Ukraine; dozens of strikes pound Mariupol plant where last fighters holed up

The longer Ukraine fends off attack, the more it absorbs Western weaponry and training -- the exact thing Putin hoped to prevent when invading

Following meeting with Zelensky, Austin and top diplomat Blinken announce $700 million in additional military aid; at least five killed in Russian rocket strike in Vinnytsia