These are the headlines you Need2Know:
* **Toronto Shooter Had Tumultuous Mental History:**
The parents of slain shooter Faisal Hussain went public on his history of mental illness, but officials have not yet identified his motives. The 29-year-old shot and killed two and wounded at least a dozen on Sunday. Read the details [here](https://www.cnn.com/2018/07/24/americas/toronto-shooting-investigation/index.html).
* **Umbrellas Up, Northeasterners!:**
A flash-flood warning is in effect after heavy rainfall has flooded several Pennsylvanian towns. In Scranton, certain parts of Hershey park are submerged in water. See the map [here](https://twitter.com/NWS/status/1021536276095426560).
* **Twitter War Forges Ahead:**
Following President Trump’s all-caps [Twitter](https://twitter.com/realDonaldTrump/status/1021234525626609666) threat to Iranian President Hassan Rouhani, the Iranian Foreign Minister Mohammad Javad Zarif fired back on Monday, warning the U.S. to, “BE CAUTIOUS!” Read the full subtweet from Zarif [here](https://twitter.com/JZarif/status/1021471196242735104).
* **North Korea Tunes it Down:**
Just over a month after Trump met with North Korean leader Kim Jong-un in Singapore to discuss denuclearization, the country is dismantling several ballistic missile launch sites. Stay with the story [here](https://www.theguardian.com/world/2018/jul/24/north-korea-satellite-images-show-dismantling-of-missile-test-facilities-report).
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Democratic Kentucky Gov. Andy Beshear and Republican Mississippi Gov. Tate Reeves won reelection on Tuesday, while Ohio voters approved a constitutional amendment guaranteeing the right to an abortion and other forms of reproductive health care. In Virginia, Democrats swept legislative elections in a blow to GOP Gov. Glenn Youngkin.
A Jewish man in California has died after a confrontation during dueling protests over the Israel-Hamas war, and police said Tuesday they had identified a suspect who called 911 after the altercation.
The Supreme Court is hearing arguments in a case revolving around Second Amendment rights. The Biden administration is appealing a ruling that struck down a federal law that bans a person subject to a domestic violence protective order from possessing a firearm.
The Air Force is asking Congress to restrict further construction of the towering wind turbines that have edged closer to its nuclear missile sites in Montana, Wyoming, North Dakota, Nebraska and Colorado.
Voters around the U.S. are heading to the polls Tuesday and some races could have major implications for how things turn out in the presidential election next year.
