There is now an active rescue operation underway at the Potomac River in Washington D.C. after a passenger plane operated by American Airlines collided midair with a Black Hawk helicopter while trying to land. CBS News'
@krisvancleave reports that this is the first commercial airline crash in the United States since a regional flight crashed in Buffalo, New York in 2009.
"This was an unparalleled period of aviation safety that appears to have come to an end tonight," Van Cleave said.
cbsn.ws/40RnLA4