King Charles III sent condolences Saturday to the U.S. and the families of the Washington, D.C., plane crash victims. "My family and I have been profoundly shocked and saddened by the dreadful news of the tragic air accident in Washington, D.C., which has led to such a devastating loss of life," the monarch said in a memo released by Buckingham Palace and shared by multiple news outlets. "Our hearts, and our special thoughts, are with the people of the United States, and our deepest possible sympathy goes to the families and loved ones of all the victims."Charles also said he wanted to pay "particular tribute