A Ukrainian delegate punched a Russian delegate after he grabbed the #Ukraine flag at a summit

Maui resident put out a brush fire saving homes and possibly neighborhood

Zookeepers try to escape enclosure with male gorilla

Thousands in California under evacuation orders amid threat of chemical explosion

Secret Service reports shots fired near the White House

Watch highlights from Stephen Colbert's 'Late Show' finale

Pentagon releases declassified UFO files detailing more than 400 incidents

The U.S. conducted new strikes on Iranian targets

Comey responds to acting AG speaking on his indictment: 'Bone up on the rules'

Top Story with Tom Llamas - May 26 | NBC News NOW

Ken Paxton wins Republican Senate primary in Texas

Rep. Al Green loses seat to Rep. Christian Menefee in Democratic primary