REUTERS

"Russia's decision to reduce the United States' diplomatic presence here calls into question Russia's seriousness about pursuing better relations. We will maintain sufficient staff to carry out essential elements of our mission," according to a statement of the U.S. Mission to Russia.

Read alsoReuters: Putin says Russia to expel 755 U.S. diplomatic staff, more measures possible"Due to the Russian government-imposed cap on U.S. diplomatic personnel in Russia, all nonimmigrant visa operations across Russia will be suspended on August 23. Operations will resume in Moscow on September 1; visa operations at the U.S. consulates will remain suspended indefinitely. Currently scheduled appointments will be cancelled and applicants will be provided instructions on how to reschedule," the statement says.