Dollar rises vs yen after BOJ increases JGB buying

TOKYO, July 7 (Reuters) - The dollar firmed against the yen on Friday after the Bank of Japan increased its purchases of Japanese government bonds (JGBs) in its operations, in a move aimed at stemming a rise in yields.

The dollar was up 0.2 percent at 113.410 yen after touching a session high of 113.515 yen.

The BOJ offered to buy an unlimited amount of 10-year JGBs at yield of 0.110 percent and also increased its buying of five- to ten-year JGBs through an auction to 500 billion yen from 450 billion yen. (Reporting by Tokyo markets team; Editing by Sam Holmes)