USA

The authorities said Kevin O’Neal tried to set off explosives as Polk County, Tenn., deputies entered his home. More than a dozen devices were later found.

Authorities were focusing on brushy terrain near the town of Anaconda, where they said the suspect killed four people.

The president had been on something of a winning streak. But when faced with facts and foes that wouldn’t bend to his will, he responded with impatience and disproportionate intensity.

An appellate panel upheld a finding that federal agents appeared to rely exclusively on race and other factors, such as speaking Spanish, in making arrests.

Law enforcement officials engaged in a growing manhunt for the suspect who lived close to the bar. They warned that he was believed to be armed.

Documents released in the inquiry into the deadly collision of a military helicopter and a passenger jet reveal a smart but shaky pilot, a wary instructor and an overwhelmed air …

Republicans have attacked the president, Gregory Washington, over his support for diversity efforts at the university, Virginia’s largest public institution.

Air traffic control managers told the National Transportation Safety Board that F.A.A. leaders rebuffed efforts over the years to address hazardous conditions that played a role in the Jan. 29 …

The Trump administration is set to put into effect significantly higher tariff rates for exports from much of the world.

The extension gives Mexico more time to reach a trade deal with the United States and avert, for now, heavier tariffs President Trump has threatened to impose starting on Friday.