The yen hit a two-week low of 109.98 yen against the Japanese yen.
The yen fell to 182.49 against the franc and from an initial high of 166.11 against the pound and 165.39 against the pound, and a 10-day high of 181.16.
The yen fell to 157.98 yen against the euro and 149.76 yen against the dollar, below the six-day high of 156.98 yen and four-day high of 149.30 yen, respectively.
The currency's next major supports are likely to be around 112.5 against the loonie, 166.5 against the franc, 184.00 against the pound, 160.00 against the euro and 152.00 against the US dollar.