India, Oct. 31 -- US President Donald Trump pulled a prank as he reprised a viral moment from 2019 in a playful encounter with a trick-or-treater at the White House's annual Halloween event. Stepping out of the White House's south entrance at 6 pm ET to the eerie beat of Michael Jackson's Thriller performed by a military ensemble, the couple emerged to greet the trick-or-treaters.

Caught on camera, Trump was seen lightly tapping a child dressed as DJ Marshmello on the head with a chocolate bar before resting it on top.

In the moment, the young boy in the Marshmello costume, who appeared momentarily puzzled, tilted his head upward to figure out what the president was doing. Realizing the playful stunt, he eventually walked off while bala...