Three victims of the deadly Washington, D.C., plane crash have Ohio ties, and the airline involved has a connection to Ohio. Here's the latest.

DALLAS — Investigators from the National Transportation Safety Board will likely be studying three main elements as they try to pinpoint the cause of the mid-air collision between American Airlines Flight 5342 and the U.S. Army helicopter on Wednesday night.

WASHINGTON — Ronald Reagan Washington National Airport (DCA) has canceled most flights and delayed some after a plane crashed midair into a helicopter as it was preparing to land.