Security officials prevented a terrorist attack in Moscow,
As a result of the measures taken, a Russian citizen was detained in Moscow, FSB said.
The Security Service noted that the man was planning to detonate an improvised explosive device (IED) in a crowded area in July.
IED components were found in the cache he prepared. He also had the instructions for making the explosive.
The security officials revealed his correspondence with members of international terrorist organizations in Syria.
A criminal case has been initiated, operational-search measures and investigative activities are ongoing. The man’s identity has not yet been disclosed.