In pictures: Halloween at the White House

President Donald Trump and first lady Melania Trump give candy to children during a Halloween trick-or-treat event on the South Lawn of the White House

U.S. first lady Melania Trump reacts to a young trick-or-treater dressed as a skeleton as the first lady and the president hand out Halloween candy to visiting schoolchildren in advance of Halloween at the White House in Washington

President Donald Trump and first lady Melania Trump hand out candy to costumed children for Halloween on the South Lawn of the White House in Washington

US President and First Lady Melania Trump pose with children at a Halloween celebration at the White House in Washington

US President and First Lady Melania Trump hand out candy for children at a Halloween celebration at the White House

US President and First Lady Melania Trump hand out candy for children at a Halloween celebration at the White House

President Donald Trump and first lady Melania Trump hand out candy to costumed children for Halloween on the South Lawn of the White House in Washington

U.S. President Donald Trump and first lady Melania Trump hand out Halloween candy to visiting schoolchildren in advance of Halloween at the White House in Washington

President Donald Trump, accompanied by first lady Melania Trump, places a candy bar on the head of child dressed as Minion during a Halloween trick-or-treat event on the South Lawn of the White House which is decorated for Halloween

President Donald Trump and first lady Melania Trump hand out candy to costumed children for Halloween on the South Lawn of the White House

U.S. President Donald Trump and first lady Melania Trump emerge from the White House South Portico doors behind two U.S. Marines and a cloud of artificial smoke to hand out Halloween candy to visiting schoolchildren at the White House in Washington