Texas and Florida accounted for nearly 20,000 of the July arrests. The agency has been bolstered by billions of dollars from Congress and has hired 12,000 new deportation officers and agents.

President Donald Trump's trade war with Canada is escalating as the midterm elections approach, threatening Republican efforts to address voters' economic concerns in a year when control of the U.S. Senate hinges on states along the border between the United States and its northern neighbor.

Canada struck back at the United States on Tuesday with retaliatory tariffs on about $20 billion worth of American goods, including steel, dairy products, appliances and farm equipment, as the trade war between the once-friendly neighbors escalated sharply.

Rather than saying that President Donald Trump's order is legal, the high court said Monday it was too early for Democratic-run states to challenge it in June, when they convinced a federal judge in Boston to freeze the order for November's election.

The two-week runoff window since the two Republicans were the top vote-getters in an Aug. 11 primary has been a slugfest.

"The U.S. Secret Service is aware of the video and investigates anything that can be perceived as a threat toward our protectees," Secret Service spokesman Nate Herring said in a statement.

The trade war between the U.S. and Canada is intensifying after negotiations broke down over the weekend. Canadian Prime Minister Mark Carney said his country had been preparing for a fundamental shift in its relationship with the U.S., which it no longer views as a reliable partner. Geoff Bennett discussed the economic fallout on both sides of the border with Peter Armstrong of the CBC.

Canada will announce retaliatory tariffs against the United States on Tuesday, an official familiar with the plans told The Associated Press, escalating a trade fight that has sharply worsened since negotiations with the Trump administration collapsed.

The Department of Justice spent more than a decade building a case accusing Live Nation of illegally dominating the live event industry by thwarting competition to keep ticket prices high. But according to a Wall Street Journal investigation, President Trump urged senior DOJ officials to settle the case just days before it was set to go to trial. Ali Rogin discussed more with Rebecca Ballhaus.

The U.S. Postal Service laid out how it would implement the order last week, but time is running short to impose major changes with some states beginning to send mail ballots to voters in just a few weeks.

The Trump administration is preparing to revoke the visas of up to 200,000 foreigners who have applied for or are currently seeking asylum status in the United States.

The U.S. Department of Agriculture has said concerns about the New World screwworm's spread lessened enough to allow the movement of cattle from Mexico at a crossing in Douglas, Arizona.