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We will be, by mutual consent, temporarily closing our Northern Border with Canada to non-essential traffic. Trade will not be affected. Details to follow!— Donald J. Trump (@realDonaldTrump) March 18, 2020 219

When authorities arrived Friday to arrest a 15-year-old in Florida after threats to commit a school shooting showed up on a video game platform, he told them he was joking, they said."I Dalton Barnhart vow to bring my fathers m15 to school and kill 7 people at a minimum," the boy wrote using a fake name, according to a Volusia County Sheriff's Office report.The teen is one of more than two dozen people who have been arrested over threats to commit mass shootings since 31 people were killed in one weekend this month in shootings in El Paso, Texas, and Dayton, Ohio.The raft of cases follows a directive by the FBI director immediately after the two early August massacres for agency offices nationwide to conduct a new threat assessment in an effort to thwart more mass attacks.The FBI was concerned that US-based domestic violent extremists could become inspired by the attacks to "engage in similar acts of violence," the agency said in a statement.Indeed, it was a tip to the FBI that sent sheriff's deputies to the home of the Florida teen, the sheriff's report states. CNN is not naming him because he is a minor.A woman who said the boy is her son told authorities that kids say things like that all the time and her child should not be treated like a terrorist, body-camera footage from the arrest shows.Joke or not, such comments are a felony in Florida, the sheriff's department wrote on its Facebook page."After the mass violence we've seen in Florida and across the country, law enforcement officers have a responsibility to investigate and charge those who choose to make these types of threatening statements," the post states.Here are the known threats with publicized arrests that law enforcement agencies have investigated since the Dayton and El Paso shootings:August 4: A man from the Tampa area called a Walmart and told an employee he would shoot up the store, the Hillsborough County Sheriff's Office said in a statement. The man faces a false threat charge.August 7: Police in Weslaco, Texas, arrested a 13-year-old boy. The boy will face a charge of terroristic threat for making a social media post that prompted a Walmart to be evacuated, police said on Facebook. The boy's mother brought him to the station.August 8: A man is accused of walking into a Walmart in Missouri equipped with body armor, a handgun and a rifle less than a week after a gunman killed 22 people in a Texas Walmart says it was a "social experiment" and not intended to cause panic. The 20-year-old was charged with making a terrorist threat.August 9: A 23-year-old Las Vegas man is charged with possessing destructive devices after authorities found bomb-making materials at his home. The FBI says he was 2721

Vaping remained popular among teens across the United States in 2019, according to a new report, and there were significant increases in vaping of marijuana by eighth, 10th and 12th graders.The annual report, 221

US pilots who fly the Boeing 737 Max have registered complaints about the way the jet has performed in flight, according to a federal database accessed by CNN.In one of the complaints, a captain reported an autopilot anomaly which led to a brief nose-down situation -- where the front of the aircraft pointed down, according to the federal database. In another complaint, a first officer reported that the aircraft pitched nose down after the autopilot was engaged during departure. The autopilot was then disconnected and flight continued to its destination, according to the database.Although the data doesn't identify the pilots or their airlines, two US carriers fly the 737 Max 8: American Airlines and Southwest.Extraordinary worldwide attention has been focused on the jet -- Boeing's biggest-selling airliner -- after Sunday's crash of a new Ethiopian Airlines 737 Max 8, minutes after takeoff from Addis Abba, which killed all 157 people on board. It was the second deadly crash of the same new plane type within five months. The crash of Lion Air Flight 610 shortly after takeoff last October killed all 189 people on board.It's very early in the investigation of the Ethiopian Airlines crash and information from the flight data recorder and cockpit voice recorder, which have been recovered from the crash site, has not yet been analyzed. Because of that, there is no direct evidence linking the two plane crashes.Nonetheless, much of the world's aviation regulators have grounded the 737 Max -- either the Max 8 or both the 8 and 9 version -- which is a longer model of the Max flown by US-based United Airlines. All three airlines say the plane is safe and have continued to fly it. The FAA has so far declined to ground the plane.Southwest Airlines' pilots union is standing by the airline's decision to continue to fly the Max. Southwest has 34 737 Max 8s -- the largest fleet in the US.Pilot: Flight manual is 'inadequate and almost criminally insufficient'Other pilot complaints from the federal database include a report saying it is "unconscionable" that Boeing, the US aviation regulatory agency (the Federal Aviation Administration) and the unnamed airline would have pilots flying without adequate training or sufficient documentation.The same entry also charges that the flight manual "is inadequate and almost criminally insufficient."The reports are further evidence that pilots in the US may have experienced something similar to what happened in the Lion Air incident.Investigators in the Lion Air crash suspect it may have been caused by an angle of attack (AOA) sensor on the outside of the plane which transmitted incorrect data that could have triggered automated flight software called the Maneuvering Characteristics Augmentation System (MCAS) that forced the plane's nose down.In November, after the Lion Air crash, Boeing issued an "Operations Manual Bulletin" advising airline operators how to address erroneous cockpit readings. It pointed airlines "to existing flight crew procedures to address circumstances where there is erroneous input from an AOA sensor," a Boeing statement said. The FAA later issued its own emergency airworthiness directive that advised pilots about how to respond to similar problems.CNN has reached out to the FAA and Boeing for comment, but has not heard back. 3339

Two children were killed and nine people were injured Monday evening after a man driving a stolen police cruiser crashed at high speed into a SUV and a minivan in Dayton, Ohio, police said.The suspect, Raymond Andrew Walters Jr., was driving 97 mph when he ran a red light and plowed into the two vehicles, Dayton Police Chief Richard Biehl said at a press conference Tuesday.Walters had been on active parole, and police suspect methamphetamine may have played a part in the incident, Biehl said.The incident unfolded when Walters' father was trying to take his son to a hospital for mental health issues, but when the suspect realized where they were going, he began assaulting his father, Biehl said.Suspect stole a police cruiser, police saidThe suspect left his father bleeding from head and face wounds, and took off in his father's Chevy truck, Biehl said.Walters crashed the truck into a tree in nearby Riverside, Dayton police said.When a Riverside officer responding to a 911 call about the accident got out of his police cruiser to check on the driver, the suspect got in and took control of the cruiser from the passenger side, Biehl said.The Riverside officer tased Walters twice, Biehl said, but that didn't stop the suspect from taking off in the cruiser.Running the police lights and sirens, Walters reached a maximum speed of 101 mph, Biehl said. He was not being pursued by police at the time of the accident, the police chief said.The Honda minivan was carrying seven children and one adult, all family members, Biehl said. There were three adults in the SUV, the police said.Another child is badly hurt, police saidAll occupants were taken to local hospitals and at least three of them were in life-threatening condition when they were transported, Lt. Eric Henderson said.Two of the children later died, he said.A third child remains in critical condition, Biehl said.Two Riverside officers sustained minor injuries when the suspect struck their vehicle.The suspect was injured in the crash and is in stable condition in a hospital, Biehl said.The police cruiser broke into several parts when it hit the minivan, Biehl said. Still, "counterforce was necessary to take Walters into custody," according to a police presentation.Walters' criminal history includes aggravated burglary and robbery, possession of drugs, domestic violence and assault, police said. He was released from prison in August. 2430