Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.
Investigators have retrieved the voice and data recorders from the passenger plane following Wednesday's crash which killed 67 people.
While authorities focus on the cause of the US's deadliest aviation disaster since 2001, families are mourning their loved ...
Dozens of people are dead after a regional jet collided with an Army Black Hawk helicopter Wednesday night over Washington, D ...