New Delhi, Jan. 30 -- An American Airlines regional jet collided with a Sikorsky UH-60 Blackhawk helicopter mid-air late Wednesday (local news). A video shot with a camera at the nearby Kennedy Center showed one aircraft approaching the other, then colliding against each other, resulting in a big fireball.

The incident was reported near Reagan Washington National Airport around 9 pm local time.

A witness, Ari Schulman, told CNN that he saw nothing but "streams of sparks". Schulman said he saw only "two seconds of it", and "I think I saw the collision".

Schulman was headed home, and the airport was on his left.

"I didn't see any helicopter. It was a very very dark night, so anything that's not illuminated, you can't really see...I didn...