An atomic research lab in northern Japan has reported a radiation leak that may have affected about 50 people, though none were hospitalized and no impact was expected outside the facility, the lab's operator said Saturday.

A delay in Japanese Prime Minister Shinzo Abe and his wife moving into their official residence, the site of past assassinations, has revived talk of ghosts in the corridors, prompting the government to deny any knowledge of hauntings.

A pair of cantaloupe melons sold at auction in Japan on Friday for 1.6 million yen (US$15,730), one of the highest prices ever paid for the coveted orange-fleshed fruit.

Two Korean former sex slaves demanded the resignation of an outspoken Japanese mayor and canceled a meeting with him Friday for justifying Japan's wartime practice of forcing tens of thousands of Asian women into prostitution for its military.

Japan on Thursday accused a South Korean newspaper of “dishonorable” behavior for publishing an editorial suggesting the atomic bombings of Hiroshima and Nagasaki were “divine punishment.”

When Masayoshi Matsumoto joined the Japanese army in 1943 and was sent to occupied China as a medic, he thought he was taking part in a righteous war to free Asia from the yoke of Western imperialism.

A record 923,000 foreigners traveled to Japan in April, up 18.1 percent from a year earlier, taking advantage of a weaker yen and an increase in chartered flights, a government agency said Wednesday.

Japan's parliament on Wednesday approved an international treaty on child abductions after decades of pressure from the United States and other Western nations.

A Japanese cancer specialist said Wednesday she has started the world's first clinical trial of a powerful, nonsurgical, short-term radiation therapy for breast cancer.

Farmers have resumed planting rice for market only 15 kilometers (9 miles) from Japan's crippled Fukushima Dai-ichi nuclear power plant, a local official said Wednesday.