In Japan, one person was killed and three injured today in explosions at two locations near a park in city of Utsunomiya, state broadcaster NHK reported. The cause of the blasts was not known. <br/><br/>The police said they were investigating whether the incidents at the two sites were linked. One of the injured people, a man, was being treated for shrapnel wounds, the broadcaster said. The person killed was also a man, but no other details were available about him or the other two injured.<br/><br/>Crime rates are low in Japan, and there are no known groups waging any sort of violent campaign against the state. Witnesses told the broadcaster they heard a series of loud explosions. <br/><br/>

In Japan ,one person was killed and at least two other injured in two simultaneous blasts at a park in Utsunomiya, some 100 kilometres north of capital Tokyo. <br/><br/>The local fire department said It was not immediately clear what caused the blasts.NHK footage showed a car completely charred, as fire fighters poured water on it.<br/><br/>