Authorities believe there were no survivors in the accident, which happened as a regional passenger jet was attempting to land Wednesday night at Ronald Reagan Washington National Airport.
An Alabama grandmother who was the first patient to receive a new kind of genetically modified pig kidney more than two months ago is now the longest surviving recipient of a pig organ.
Three more Israeli and five Thai hostages have been released by Palestinian militants from captivity and returned to Israel, after being held for more than 15 months in Gaza.