Joe Biden playfully bit a baby during a Halloween event at the White House on Wednesday, 30 October.
The US president, 81, pretended to sink his teeth into the child, who was dressed as a turkey.
Biden, a grandfather of seven, was handing out sweets to youngsters alongside Jill Biden, who dressed up as a panda for the occasion.
The event theme was “Hallo-read” in a nod to the First Lady’s teaching career.
This week marks the Bidens’ last Halloween as president and First Lady.