Thousands of hoverboards seized by US customs

The U.S. Customs and Border Protection agency has seized tens of thousands of hoverboards in the last month in a crack down on a former hot holiday gift that's been held responsible for several home fires.The seizures have happened at border crossings and customs warehouses across the U.S. and mirror a high-profile raid on the booth of a Chinese hoverboard manufacturer at January's CES in Las Vegas.The devices, which don't hover but transport a rider balanced on two wheels, are general