WASHINGTON, Jan 31 — US authorities said on Thursday it was not yet clear why a regional jet crashed into a US Army helicopter at a Washington airport, killing 67 people in the country’s deadliest air disaster in more than 20 years.

MOSCOW, Jan 30 — A team of divers may have found one of the two data recorders, the so-called black boxes, from the plane that crashed near Washington, DC, the CBS broadcaster reported on Thursday, according to Sputnik/RIA Novosti.

WASHINGTON, Jan 30 — An American Airlines regional passenger jet and a US Army Black Hawk helicopter crashed into the frigid Potomac River after a midair collision near Reagan Washington National Airport on Wednesday night, officials said.

CHICAGO/WASHINGTON, Oct 1 — American Airlines and United Airlines, two of the largest US carriers, said they were beginning furloughs of over 32,000 workers on Thursday as hopes faded for a last-minute bailout from Washington.