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.
Subscribe to the Need2Know newsletter [here](https://theneed2know.com).
The National Zoo's three giant pandas, Mei Xiang, Tian Tian and their cub Xiao Qi Ji. on Wednesday began their long trip to China, leaving behind an empty panda exhibit with no certainty that pandas ever would again take up residence there.
Palestinians living in the heart of Gaza’s largest city said Wednesday they could see and hear Israeli ground forces closing in from multiple directions, accelerating the exodus of thousands of civilians as food and water become scarce and urban fighting between Israel and Hamas heats up.
Ivanka Trump began testifying Wednesday in the civil fraud trial that is publicly probing the Trump family business, making an appearance she tried to prevent.
Wednesday night is the third Republican presidential primary debate with five candidates set to take the stage. Columnist and political analyst Jonathan Harris spoke with Cheddar News to explain what to expect from a reduced field of candidates, what topics are on tap to discuss and which candidates have the momentum.
Treasury Secretary Janet Yellen is accusing the GOP of playing politics with IRS funding with a new round of budget cuts in a recent aid bill that would slash $14 billion from the agency in order to fund aid to Israel.
