A crane retrieves a piece of wreckage Monday from the Potomac River in the aftermath of the collision of American Eagle flight 5342 and a Black Hawk helicopter that crashed into the river.
Mandatory Credit:	Nathan Howard/Reuters via CNN Newsource

A crane retrieves a piece of wreckage Monday from the Potomac River in the aftermath of the collision of American Eagle flight 5342 and a Black Hawk helicopter that crashed into the river.
Mandatory Credit: Nathan Howard/Reuters via CNN Newsource

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Investigators seek clues in deadly aircraft collision as divers return to frigid river to recover wreckage and remains

Crews working at the site of the deadliest aviation disaster in a generation are balancing two important missions: extracting parts of two aircraft that collided and fell into the Potomac River in Washington, DC, and searching for remains of victims within the wreckage, which is the searchers’ priority.