The US state Department confirmed to Fox News that the diplomats were taken off the train and were in the country on an official journey after they duly filed an application with the Russian defense Ministry.

“The U.S. diplomats were on official trips and duly notified the Russian authorities of their trips,” a state Department spokesman told Fox News.

RUSSIAN NUCLEAR MISSILE RESTOWED IN RADYOWIJATI ISOTOPES FOUND IN TEST AFTER TEST TESTS AUDENCIA

Russian broadcaster REN-TV reported that the three Americans did not show documents to stay in Severodvinsk, a city on the list of territories that are regulated for foreign citizens to visit.

The group of Americans was detained after Russian authorities checked the passengers of the train as it arrived in the city, according to REN-TV.

Interfax reported that the American diplomats were released, but believe that they violated Russian law. Officials have not released any further information.

NUCLEAR MISSILE SYSTEM EXPLOSION IN RUSSIA KILLS 2 WORKERS FROM RADIATION SICKNESS, REPORT SAYS

The port city of Severodvinsk is located near the military training ground in Nyonoks, in the far Northern Arkhangelsk region of the country.

On August 8, five nuclear workers were killed during a rocket engine test near the White sea in an area considered part of the test site. The Russian defense Ministry initially said the blast killed two people and injured six, but the state nuclear Agency Rosatom later reported that five of its employees were killed and three others were injured. Rosatom said the explosion occurred during a test by engineers of a” nuclear isotope energy source ” for the missile and was thrown into the sea as a result of the explosion.

Later, a Russian newspaper reported that two patients injured in the explosion died of radiation sickness, after which they could be taken to Moscow for treatment.

Russian President Vladimir Putin said radiation levels did not reach dangerous levels after the explosion; national security correspondent Jennifer Griffin reports from the Pentagon.

Weeks later, the meteorological Agency reported that radioactive isotopes had been detected in the test samples.

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The Russian government downplays a deadly nuclear explosion, a supposedly failed missile test; Lucas Tomlinson reports.

Changing and conflicting reports by Russian officials about the incident compare Soviet attempts to cover up the explosion and fire at Ukraine’s Chernobyl nuclear power plant in 1986, the world’s worst nuclear disaster.

The Russian defense Ministry initially denied leaking radiation as a result of the incident, despite the fact that authorities in neighboring Severodvinsk reported a brief increase in radiation levels and advised residents to stay indoors and close their Windows.

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President Vladimir Putin praised the victims of the disaster, saying they were doing “a very important job for the security of the country,” but kept mum on what weapons they were testing. U.S. defense officials and outside observers believe it was a missile that Russia calls THE 9m730 ” Petrel.” The NATO Alliance named it the SSC-X-9 Skyfall, which was first shown by Putin in March 2018 along with other ship-borne weapons.