“You know that the organization that conducted the tests has already made a statement on this subject, they gave information, they explained the causes of the accident that occurred during the tests, which, to our great regret, led to the death - to the heroic death - of our colleagues” - Peskov told reporters.

He also called for focusing on the information provided by Russian organizations.

On August 8, five Rosatom employees died as a result of an emergency at a military training ground in the Arkhangelsk region. According to the state corporation, tests of the rocket that exploded at the test site took place on an offshore platform.

US President Donald Trump commented on the explosion during a test of a liquid propellant propulsion system in Russia, saying that Washington "learned a lot."

The Northern Department of Hydrometeorology and Environmental Monitoring reported that the radiation level in Severodvinsk during the state of emergency in the White Sea on August 8 was 4-16 times exceeded.