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).
Cheddar's Hena Doba with the latest.
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Democratic Sen. Joe Manchin of West Virginia announced Thursday that he won’t seek reelection in 2024, giving Republicans a prime opportunity to pick up a seat in the heavily GOP state.
Authorities on Thursday were trying to determine who sent letters filled with fentanyl or other substances to local election offices, an attack that appears to have targeted multiple states in the latest instance of threats faced by election workers around the country.
The White House said Israel has agreed to put in place four-hour daily humanitarian pauses in its assault on Hamas in northern Gaza starting on Thursday, as the Biden administration said it has secured a second pathway for civilians to flee fighting.
Columnist and political analyst Jonathan Harris joined Cheddar News to break down what stood out from Wednesday's third Republican presidential primary debate.
Mississippi's largest county ran out of ballots during Wednesday's governor's election as some voters say they had to wait for up to an hour for new ballots to be printed before they could cast their votes.
Republican presidential candidates used the third debate of the GOP primary campaign to show their support for Israel and display at least some willingness to criticize Donald Trump.
