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. Last Updated: 07/27/2016

Woman Detained in FSB Bombing

A 25-year-old woman has been detained on suspicion of involvement in last year's bombing of a Federal Security Service building, officials said Thursday.

The suspect was identified as Larisa Romanova, a Moscow resident and a member of an obscure group called the New Revolutionary Alternative Movement, Interfax reported, citing the press service of the FSB.

She was detained Wednesday by agents from the FSB's anti-terrorist force, the report said. Three other female members of the movement - Nadezhda Raks, Tatyana Nekhorosheva and Olga Nevskaya -and one man, Alexander Biryukov, were detained earlier in connection with the blast, Interfax reported.

A bomb last April blasted a hole in the building's wall, shattering windows along the street and slightly injuring a police officer and two of the service's employees.

Nobody claimed responsibility for the blast and the reason for the attack was not clear, officials said at the time.

It was the second bomb explosion at the site, although the previous blast in August, 1998, did not cause any damage or injuries.