belgian graphic designer olivier dubei filed a lawsuit in belgium earlier this month. he said the logo is extremely similar to a theater logo he created two years ago. he's demanding the international olympic committee stop using sono's design. >> translator: the original design shows that the creation process makes it quite different from the belgian theater logo. >> the tokyo organizers say they regret the lawsuit was filed. they say they hope people now appreciate the thinking behind their logo. >>> people cleaning up the fallout from the fukushima nuclear accident have begun a new phase of their work. they started full-scale decontamination in a town that received the highest levels of radioactivity. about 30 workers gathered at an elementary school in okuma. they've removed topsoil from the playground. the government said the area will be off-limits for a long time. the environment ministry launched full-scale decontamination at the request of local authorities. >> translator: the local authorities have designated this district as a hub for reconstruction. so we'r