Forty-one sets of remains have been recovered and 28 of those victims have been positively identified, Washington, D.C., Fire and EMS Chief John Donnelly Sr. said at a news conference Friday. Next of kin notifications had been made to 18 families as of 6 a.m. Friday, he said.

Hundreds of families are in mourning after an American Airlines regional jet collided with a U.S. Army Black Hawk helicopter on Wednesday night, with both aircraft plunging into the Potomac River near Washington,

Wind gusts and tidal conditions could slow recovery operations today after the midair collision of a passenger plane and helicopter last week.

Authorities have said the operation to remove the plane will take several days and they will then work to remove the military helicopter involved in the crash.

The crash, involving an American Airlines jet and a U.S. Army Black Hawk Helicopter, resulted in the deaths of 67 people.

Crews began removing wreckage from the Potomac River on Monday, five days after 67 people were killed in a midair collision over Washington, D.C., between a passenger jet and an Army helicopter. The crash was the deadliest U.

Crews were on scene on the Potomac River on Monday to retrieve the submerged wreckage of an airliner and an Army helicopter that collided midair last week in the deadliest US air disaster since 2001.