Documents burned on the grounds of the Chinese consulate in the Houston.

The U.S. has ordered China to close its consulate in Houston in what a Chinese official called an outrageous and unjustified move that will sabotage relations between the two countries.

Foreign ministry spokesperson Wang Wenbin condemned the action, which comes at a time of rising tensions between the world’s two largest economies. He warned of firm countermeasures if the U.S. does not reverse its decision.