health insurance, and it didn't want to expose disagreements" with Japan.

As concern grew over the diplomatic tensions between the U.S. and Japan, the two governments decided to set up a ministerial-level working group earlier in the week to "probe" Futenma's relocation. However, no deadline for reaching a decision has been set.

"This is merely a way to buy time — there is no idea behind" the working group, Murata said.

"No one knows what (the government) is trying to do by 'probing' . . . the working group is just to postpone the conclusion and the situation is just bound to get worse."