Some State Department officials have “refused to fully implement” President Trump’s renewed crackdown on the Cuban government, according to a leading Republican lawmaker.

President Trump in June announced new sanctions on Raul Castro’s regime, and the Treasury Department said Wednesday those changes would take effect through a new set of regulations on Thursday. But Sen. Marco Rubio, R-Fla., offered only qualified praise for Wednesday’s announcement and said some in the State Department are making it clear they oppose Trump’s plan.