U.S. Rallies Global Allies to Rush Heavy Weapons to Ukraine 4/26/22

The Pentagon is vowing to move “heaven and earth” to arm Ukraine with heavy weapons to defeat Russia, despite warnings from Moscow that the risk of nuclear war is escalating. NBC’s Cal Perry reports live from Kyiv on a new diplomatic effort underway to evacuate Mariupol. Plus, a lawyer for Tyre Sampson, the teen who fell to his death on an amusement park ride in Orlando, says a person warned the operator about the seat Sampson was in before the incident. Shomari Stone has more of what Tyre’s dad said today as the family files a wrongful death lawsuit. And for the first time, we’re hearing from everybody who was inside the room on the set of "Rust" when the gun actor Alec Baldwin was holding went off, resulting in the death of cinematographer Halyna Hutchins. Perry Russom has more with what the film’s director had to say about the incident.