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helicopters joined the fight, he added.
• The encounter began around 6:30 a.m. and lasted three and a half hours, said Masoum Khan Hashimi, deputy provincial police chief in Nangarhar province. Afghan security forces trying to clear the area were still in the process of defusing a bomb in a car. At least one car bomb also was successfully detonated in the attack, Hashimi said.
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• TOKYO (AP) -- Japan's top nuclear regulator has raised safety concerns about hastily built storage tanks and their foundations amid reports of new leaks of radiation-contaminated water.
• Nuclear Regulation Authority Chairman Shunichi Tanaka said Monday that a small leak and signs of possible leaks have been spotted at several other Fukushima Dai-ichi storage tanks. Officials say part of the leak has escaped into the sea.
• He said the discoveries were the result of closer inspections after a 300-ton leak two weeks ago. Tanaka raised concerns about the tanks' foundations and urged careful monitoring.
• The plant's operator says it suspects other possible leaks because radioactivity has been detected near the tanks, although it is not considered deadly.
• The latest leaks have triggered further concerns about the plant's ability to manage the contaminated water.
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• JOHANNESBURG (AP) -- Nelson Mandela has spent a first night at his Johannesburg home since the former South African president left a hospital after nearly three months of treatment there.
• There were no official updates Monday on the condition of the 95-year-old leader of the anti-apartheid movement, who was taken to his home in an ambulance on Sunday.
• In announcing Mandela's discharge, the office of South African President Jacob Zuma said Mandela remains in critical and sometimes unstable condition.
• A statement from Zuma's office also says Mandela will receive the same level of intensive care that he did in the hospital, administered by the same doctors.

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