Three people were killed, and 15 others were injured at "an unsanctioned car show" in a park in Las Cruces, New Mexico Friday night mass shooting, according to police. NBC News' Camila Bernal has the latest. Heathrow is open and "fully operational" after a massive fire at a nearby electrical substation shut down the airport and triggered chaos across global air travel, leaving a quarter of a million passengers stranded. NBC News' Raf Sanchez has the latest.Pope Francis is scheduled to be discharged from the hospital on Sunday, his doctors at Gemelli Hospital said. Francis, 88, was hospitalized for bronchitis on Feb. 14 and remained under care for more than five weeks. NBC News' Claudio Lavanga reports from the Vatican.  President Trump in a Friday night memo rescinded any existing security clearances and access to classified information for former President Joe Biden, former Vice President Kamala Harris, former Secretary of State Hillary Clinton and various other officials. It comes as the president moved to revoke legal status to more than 500,000 migrants. NBC News' Vaughn Hillyard has the latest. To protest Elon Musk's politics, demonstrators are going after his business with large events outside Tesla showrooms. And as violent attacks on Tesla vehicles and charging stations grow, the FBI issued an alert to the public to be vigilant near the company's dealerships. NBC News' Maya Eaglin has more. A member of a South African research team at an isolated Antarctica base was put under psychological evaluation there after he allegedly assaulted a colleague, according to government officials. NBC News' Kathy Park has the details.