British search and rescue team member Rob Furniss and his search dog Byron try to find any trapped people still alive in a building in Ofunato, Japan, March 15, 2011. Two search and rescue teams from the U.S. and a team from the U.K. with combined numbers of around 220 personnel, searched damaged areas of the town of Ofunato for trapped survivors in the aftermath of the earthquake and tsunami. (Matt Dunham/Associated Press) A man shops in a convenience store where shelves on food aisles are left empty in Ofunato, Iwate Prefecture, March 15, 2011. (Shizuo Kambayashi/Associated Press) A baby is tested for radiation in Nihonmatsu, Fukushima Prefecture, March 15, 2011. Panic swept Tokyo on Tuesday after a rise in radioactive levels around an earthquake-hit nuclear power plant north of the city, causing some to leave the capital or stock up on food and supplies. (Reuters/Kyodo) A radiation detector marks 0.6 microsieverts, exceeding normal day data, March 15, 2011, ...