Apparently unaware that airspace around the White House is restricted and that those restrictions apply to small drones as well as your standard aircraft, some idiot dropped one on the White House lawn. As if the Secret Service didn't have enough security problems, what with people off the street running through the front door and all.
But the Secret Service guys found it, and after an initial investigation concluded that it was not, in fact, Vice President Biden, they've declared that the situation poses no threat, although they're continuing to investigate.
