Meanwhile , a suicide bomber on Monday killed two soldiers and wounded three others in northern Afghanistan , a spokesman for the U.S. military in Afghanistan said . A U.S. military helicopter has been shot down in Afghanistan . None of the 10 people on board were killed , U.S. official said . A suicide bomber has killed a U.S. soldier and child in northern Afghanistan .
A U.S. military helicopter has been shot down in Afghanistan . None of the 10 people on board were killed , U.S. official said . A suicide bomber has killed a U.S. soldier and child in northern Afghanistan .