Another airport has been affected by aging air traffic control equipment. The air traffic control facility lost several radio channels that allowed them to communicate with pilots in and around Denver International Airport. The outage lasted around 90 seconds on Monday. NBC News' Tom Costello has the late details. President Trump struck an optimistic tone about a potential nuclear deal with Iran while receiving another lavish welcome on the third leg of his Mideast trip. He also said that Ukraine peace talks are unlikely to succeed unless he meets directly with Russian President Putin. NBC News' Garrett Haake reports. Cassie Ventura was back on the stand in the trial of Sean ‘Diddy' Combs. Today, she faced questions from Combs' lawyers, who have argued that the relationship between Combs and Ventura was troubled, but consensual. NBC News' Chloe Melas reports. The CFO of Walmart says tariffs have been challenging, and that it expects some prices will rise in the coming weeks. It's the latest evidence that President Trump's trade war is beginning to filter through the economy and into Americans' pocketbooks. NBC News' Christine Romans reports. In the last year, Elon Musk's artificial intelligence company xAI has catapulted forward in the industry, joining a global race to master the technology. The company's supercomputer in Memphis, Tennessee is a big reason why, but not everyone there is happy about it. NBC News' Stephanie Gosk reports. The Supreme Court heard arguments in the Trump administration's challenge to birthright citizenship. The Supreme Court will also tackle the debate over whether lower-level federal court judges should be able to issue nationwide blocks on a president's executive orders. NBC News' Laura Jarrett reports. Tiffany Slaton was found alive in a cabin after the owner of a remote mountain resort discovered her when he was checking on his property. With little supplies, authorities say it is miraculous that Slaton survived for three weeks. NBC News' Liz Kreutz reports. 

Biden diagnosed with ‘aggressive' form of prostate cancer; 2 dead, more than a dozen injured after Mexican navy ship crashes into Brooklyn Bridge; FBI calls California fertility clinic bombing an ‘act of terrorism'; and more on tonight's broadcast.