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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Rep. George Santos easily survived a vote Wednesday to expel him from the House as most Republicans and 31 Democrats opted to withhold punishment while both his criminal trial and a House Ethics Committee investigation proceed.
President Joe Biden visited Minnesota on Wednesday.
Former President Donald Trump's two sons, Eric and Donald Jr., are set to take the stand in the ongoing civil fraud trial against Trump and his companies. Trump Jr. is expected to testify Wednesday.
President Biden is heading to Minnesota and will tour a family-run farm and hold a fundraiser hosting the state's top Democrats.
The Supreme Court will hear arguments about whether a California man is able to trademark the phrase 'Trump too small.' The phrase appears to mock former President Donald Trump and suggests the GOP front-runner is 'too small' for office.
Former president Donald Trump's two sons, Eric and Don Jr., are set to take the stand in the ongoing civil fraud trial against Trump and his companies.
More than 50 local officials signed onto a letter Tuesday calling on the Environmental Protection Agency to help municipal governments cut food waste in their communities.
After more than three weeks of siege, the first Palestinians — dozens of dual passport holders and seriously injured — were allowed to leave Gaza, where Israeli airstrikes pounded a refugee camp for the second day Wednesday.
The nation's top military and diplomatic leaders urged an increasingly divided Congress on Tuesday to send immediate aid to Israel and Ukraine, arguing at a Senate hearing that broad support for the assistance would signal U.S. strength to adversaries worldwide.
Deputies killed a Maine man outside a police station. Police say he was armed with a rifle.
