Hundreds of responders have removed at least 28 bodies from the icy waters of the Potomac River after a deadly plane crash, according to officials as of Thursday morning.

One of the worst nightmares for travelers might have just happened. An American Airlines plane from Wichita, Kansas (Dwight D. Eisenhower National Airport – ICT) to Ronald Reagan Washington National Airport (DCA) appears to have crashed into the Potomac River.

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.

One onlooker said that he initially “didn’t think much of it” and thought the collision resembled “shooting stars.”

DC Fire and EMS say, on Wednesday night a small plane went down near the airport landing in the Potomac River. FAA is saying a military helicopter collided with American Airlines flight 5342 Wednesday, around 9 p.m. as it was landing at DCA. DC Police have confirmed that it was not one of their helicopters involved in the crash.

An American Airlines flight collided with a helicopter in midair as it approached DCA on Wednesday, the FAA said.

Clues emerging from the moments before an Army helicopter collided with a passenger jet suggest breakdowns in the system meant to help aircraft land safely at the busy Reagan National Airport.

A massive investigation is underway in a neighborhood near Audi Field and Nationals Park, where first responders have set up a command post along the riverbank.

As many as 60 passengers and four crew members were aboard American Eagle Flight 5342, and the Black Hawk helicopter was carrying three soldiers. There were no survivors.

There were 64 passengers aboard the plane, and three Army soldiers in the helicopter, according to officials. Here's a look at what we know about the victims.