NBC Nightly News

President Trump appeared to reject Iran's response to the latest U.S. peace proposal to end the war, calling the Iranian demands "totally unacceptable." Iranian state media reported the response focuses on opening the Strait of Hormuz and ending the war, but does not mention nuclear weapons. NBC News' Molly Hunter reports. The Americans evacuated from the deadly hantavirus cruise ship are on their way to the Nebraska Medical Center's state of the art National Quarantine Unit. It is unclear how many of the Americans, who are all asymptomatic, will end up staying there and for how long. NBC News' Camila Bernal has the latest. Dangerous storms are bringing hazardous weather to parts of the Southeast. In Oklahoma, hail, some as big as baseballs, slammed onto roofs and dented cars. In North Carolina, the National Weather Service confirmed a tornado touched down. Meanwhile, California and Arizona baked in triple digit heat. NBC News' Kathy Park reports. A Texas man accused of murdering his pregnant wife will appear in an Italian courtroom as a judge decides whether to extradite him back to the U.S. According to a federal complaint, the man cut off his ankle monitor and fled to Milan where he was detained by Italian authorities with a fake Belgian passport. NBC News' Valerie Castro reports. At Advocate Children's Hospital in Oak Lawn, Illinois, the nurses in the neonatal intensive care unit are experiencing a remarkable baby boom, with at least 20 nurses recently giving birth or expecting to have a baby soon. To celebrate Mother's Day, many of those nurses have heartwarming messages for their colleagues. NBC News' Hallie Jackson has the story. 

The 18 Americans evacuated from the hantavirus-stricken cruise ship arrived at medical facilities in Omaha and Atlanta. One passenger who tested mildly positive and another showing symptoms were placed in isolation. NBC News' Camila Bernal reports. As Spain and France impose strict 42-day quarantines on cruise passengers exposed to hantavirus, U.S. officials say asymptomatic Americans may eventually continue isolation and symptom monitoring from home. NBC News' Aaron Gilchrist reports. Amid a global energy crisis, President Trump says he will suspend the federal gas tax, a move that would require an act of Congress, as more Americans are feeling the pain at the pump. NBC News' Ryan Nobles reports. Outside of Boston, a gunman shot at cars on a major road. Police arrested the man and are now searching for a suspect. NBC News' Sam Brock reports. Tonight we hear from a passenger on board the Frontier flight that crashed into someone who managed to get onto an active runway at Denver International airport. NBC News' Liz Kreutz has the latest on the questions this incident is raising on safety protocols at airports across the country. A wildfire is tearing across the Everglades and has already burned 11 thousand acres. NBC News' Jesse Kirsch reports from the fire zone. French officials have arrested a 27-year-old suspect on charges tied to terrorism after the man may have been planning to attack members of the Jewish community and reportedly the Louvre museum. NBC News' Tom Winter has the latest. The historic summit is just days away, when President Trump will go face-to-face with China's President Xi. Tom Llamas is on the ground in Beijing where he'll be giving us an inside look at the talks and at what China's doing to try and win the race for economic dominance.