A tornado that hit the South late on Sunday night caused severe damage to some parts of Dallas, Texas.
The Mayor of Dallas Eric Johnson said the city was opening Bachman Recreation Center for people seeking shelter in the tornado's aftermath.
The president also raised questions about Intelligence Community Inspector General Michael Atkinson, who is investigating the first whistleblower complaint.
Trump whipped up a crowd of supporters in Dallas on Thursday by claiming credit for the five-day "ceasefire" in northeastern Syria.
The president will speak at his re-election campaign's third rally in a week.
Beto O'Rourke will hold a counter-rally when Trump visits Dallas on October 17.
"We demand answers," Harris said. "I pray for his family, his community, and all those impacted by this tragedy."
The incident comes amid what campaigners describe as a "culture of violence" against transgender people in the U.S..
Abderraoof Alkhawaldeh and Issam Abdallah were waiting for take-off on the flight bound for Dallas when passengers were disembarked.
The boy's father had long tried to convince judges that Bowen was lying and there was nothing wrong with his son.
As officers are heard laughing, one uses a mocking tone saying: "I don't want to go to school!"
A strong storm system Sunday afternoon brought heavy winds, which officials believe caused the crane to collapse into an apartment building.
"Climate change does not only affect far away places but also the United States, whose administration has announced withdrawal from the Paris Climate Agreement," a scientist told "Newsweek."
Flight attendants tried to revive the 52-year-old man whose nationality is not known.
Bobby Roberts, 65, was charged with murder over the weekend in connection with the death of his 54-year-old friend Richard Pena.
An East Dallas homeowner threatened to call ICE on two Hispanic women operating a food truck close to her home.
"This is how ICE uses the money that funds the agency: to terrorize immigrant communities," said immigration advocacy group United We Dream.
"The decision to charge is a clear abuse of discretion," the victim's lawyer said.
"He took a bullet for my family... I'm just happy he's alive," said Nolan's owner Genola Vance.
Merryman helped to develop the calculator in the mid-1960s while he was working for American technology company Texas Instruments.
The children's father, Robert Preston, was arrested and charged with child-endangerment.
A male shopper in a Dallas, Texas Macy's store was recorded lashing out in a xenophobic rant against "Arabs and Democrats" after a store manager and employee spoke to each other in Arabic.
"There is nothing more important at UT Dallas than the safety and security of our students," the university statement said.