These are the headlines you Need2Know:
* **Trump Threatens Iran on Twitter:**
President Trump lashed out against Iranian President Hassan Rouhani late Sunday, warning him -- in an all-caps [tweet](https://twitter.com/realDonaldTrump/status/1021234525626609666) -- to "never, ever threaten the United States again or you will suffer the consequences the likes of which few throughout history have ever suffered before." His tweet comes in response to Rouhani's warning to Trump that "war with Iran is the mother of all wars." Read the details on [NPR.](https://www.npr.org/2018/07/23/631454795/trump-to-irans-president-never-ever-threaten-the-u-s-again)
* **Deadly Shooting in Toronto:**
Two people died and a dozen others were wounded in Toronto after a shooter opened fire in a popular neighborhood late Sunday. Neither of the victims has been identified. Authorities say the gunman is also dead, and they are now investigating the motive behind the shooting. Read the latest on [CNN.](https://www.cnn.com/2018/07/22/americas/toronto-restaurant-shooting/index.html)
* **Mourning Boat Accident Victims:**
The 17 victims of the duck boat accident in Missouri were remembered in a service on Sunday near the site of the accident. The memorial came as federal investigators are examining the boat's black box and video footage. Read more at [CBS News.](https://www.cbsnews.com/news/branson-community-mourns-missouri-duck-boat-victims-today-2018-07-22/)
* **Italian Wins the British Open:**
Francesco Molinari claimed the Claret Jug on Sunday, becoming the first Italian to win a major. He outlasted Tiger Woods, Jordan Spieth, Rory McIlroy and others to secure the prize. Read more at [BBC.](https://www.bbc.com/sport/golf/44918313)
Cheddar's Hope King gets into the latest.
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Cheddar's J.D. Durkin caught up with the head of NASA Bill Nelson, a former senator, who feels one thing that seems less rancorous on Capitol Hill these days is the work of the space agency.
Catching you up on what you need to know on April 22, 2022, with updates on a new Ukraine aid package, a new missile test by Russia, DOJ announcement of $150 Million in COVID-related fraud, the Florida senate supports Gov. DeSantis in stripping Disney of its special tax district, and more.
The Federal Aviation Administration is reviewing a communications breakdown that led police to think an aircraft carrying military parachutists for a baseball stadium stunt was “a probable threat.”
President Joe Biden has approved an additional $800 million in military aid to help Ukraine fight back in its increasingly difficult battle against the Russian invasion.
The last pocket of resistance in Mariupol, Ukraine, has been given a brief respite, the Biden admin is appealing the transit mask mandate being overturned, and Tesla reports earnings. Here is all the news you Need2Know for April 21, 2022.
Catching you up on what you need to know on April 21, 2022, with President Biden set to announce more security assistance funding to Ukraine, polls showing a majority of Americans in favor of transit mask mandates, rapper A$AP Rocky's arrest, and more.
Queen Elizabeth II was marking her 96th birthday privately Thursday, retreating to the Sandringham estate in eastern England that has offered the monarch and her late husband, Prince Philip, a refuge from the affairs of state.
Epidemiologist Dr. Eric Feigl-Ding joined Closing Bell to explain why ending the travel mask mandates could put the U.S. in a bad position in the coming months as new COVID-19 variants threaten to cause another spike in cases.