Asian equities lost ground on Thursday, while U.S. futures meandered, amid U.S. political turmoil accelerated with the appointment of a special counsel to take over the investigation into Russia's involvement in the U.S. presidential election last year.

In Japan, the Nikkei 225 dropped 1.32 percent, or 261.02 points, to end at 19,553.86, after falling 0.53 percent in the previous session, weighed by a surge in the safe-haven yen.