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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Philadelphia City Council passed legislation to ban ski masks in some public spaces, a measure supporters say will increase public safety amid high violent crime, but opponents argue it will unfairly target people without proof of any wrongdoing.
A federal appeals court ruled that former President Donald Trump won't have presidential immunity in civil lawsuits related to the January 6th attack on the Capitol.
The 2023 United Nations Climate Change Conference known as COP28 kicked off in Dubai and major progress is already being made.
California Gov. Gavin Newsom and Florida Gov. Ron DeSantis squared off in a very unusual political debate Thursday night on Fox News.
Retired Justice Sandra Day O'Connor, the first woman on the Supreme Court, died Friday, the high court said.
Sen. Rand Paul successfully performed the Heimlich maneuver on fellow Sen. Joni Ernst as she choked at a GOP lunch that she was hosting.
Israeli fighter jets hit targets in the Gaza Strip minutes after a weeklong truce expired on Friday, signaling that the war with Hamas has resumed in full force.
Democrats on the Senate Judiciary Committee voted Thursday to authorize subpoenas for two prominent conservatives who arranged luxury travel and other benefits for Supreme Court justices, but Republicans planned to object to the legitimacy of the action.
Someone in China created thousands of fake social media accounts designed to appear to be from Americans and used them to spread polarizing political content in an apparent effort to divide the U.S. ahead of next year's elections, Meta said Thursday.
The House voted on Friday to expel Republican Rep. George Santos of New York after a critical ethics report on his conduct that accused him of converting campaign donations for his own use. He was just the sixth member in the chamber's history to be ousted by colleagues.
