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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The Environmental Protection Agency is tightening rules that limit emissions of mercury and other harmful pollutants from coal-fired power plants.
King Charles III’s wife has been officially identified as Queen Camilla for the first time, with Buckingham Palace using the title on invitations for the monarch’s May 6 coronation.
Tax payers are getting less bang for their buck in 2023. The IRS said the government has so far issued $172 billion in refunds. That's down 9 percent from a year ago, and the average refund is down from roughly $3,2000 to $2,900. However, the overall number of people to get refunds is up 3 percent.
Doctors accused of not providing enough care to infants delivered alive during certain kinds of abortion procedures in Kansas could face lawsuits and criminal charges under a bill that won final approval Tuesday in the state's Republican-controlled Legislature.
Some 9.2 million lead pipes carry water into homes across the U.S., with more in Florida than any other state, according to a new Environmental Protection Agency survey that will dictate how billions of dollars to find and replace those pipes are spent.
Former President Donald Trump has been warned by the judge in his criminal case to avoid making comments that are inflammatory or could cause civil unrest.
The incoming majority is expected to rule on a challenge to the state's 1849 abortion ban. The current court, under a 4-3 conservative majority, came within one vote of overturning President Joe Biden’s win in the state in 2020.
Tuesday's win is a major victory for the Democratic Party’s progressive wing as the nation’s third-largest city grapples with high crime and financial challenges.
Voters are heading to the polls in Chicago to vote for either Brandon Johnson or Paul Vallas as new mayor.
Breaking Down Potential Felony Charges Former President Donald Trump Faces
