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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U.S. Vice President Kamala Harris announced Thursday that the U.S. is investing more than $100 million in the Caribbean region to crack down on weapons trafficking, help alleviate Haiti’s humanitarian crisis and support climate change initiatives.
At Cleveland's Urban Kutz Barbershop, customers can flip through magazines as they wait, or help themselves to drug screening tests left out in a box on a table with a somber message: “Your drugs could contain fentanyl. Please take free test strips.”
President Joe Biden on Thursday condemned a wave of “cruel” and “callous” state legislation curbing the rights, visibility and health care access of LGBTQ+ people, while causing the community to feel under attack for being who they are.
Pat Robertson, a religious broadcaster who turned a tiny Virginia station into the global Christian Broadcasting Network, tried a run for president and helped make religion central to Republican Party politics in America through his Christian Coalition, has died. He was 93.
The Supreme Court on Thursday issued a surprising 5-4 ruling in favor of Black voters in a congressional redistricting case, ordering the creation of a second district with a large Black population.
Mike Pence opened his presidential bid with an unusually forceful critique of former President Donald Trump over Jan. 6, his temperament and abortion on Wednesday as he became the first vice president in modern history to challenge his former running mate.
Former New Jersey Gov. Chris Christie wasted no time going after Donald Trump while launching his presidential campaign on Tuesday, calling the former president and current Republican primary front-runner a “lonely, self-consumed, self-serving mirror hog" and arguing that he's the only one who can stop him.
Saying gender identity is real, a federal judge temporarily blocked portions of a new Florida law that bans transgender minors from receiving puberty blockers, ruling Tuesday that the state has no rational basis for denying patients treatment.
With concerns about misinformation spreading online, European Union officials want to more closely regulate artificial intelligence, and they're asking the world's biggest tech companies for help.
Sens. Elizabeth Warren, Ron Wyden, Ed Markey, and Mazie Hirono sent a letter to top officials at Twitter expressing their concerns over the platform's privacy policy.
