Okinawa authorities have filed a complaint against the Japanese government’s decision of October 28 to recommence work on a landfill project that is preparing a site for the relocation of a US military base, labeling it an “illegal invasion.”

Okinawa Governor Takeshi Onaga blasted the Wednesday move, asserting “the decision by the land minister represents illegal involvement,” the Japan Times reports. The local government filed a complaint with a third-party panel, the Central and Local Government Dispute Management Council, after Tokyo restarted the landfill work on Thursday.