Moscow, Mar 22 (AP) Russia's top investigative agency is investigating the shootings, explosions and fire at a Moscow concert hall as a terrorist attack.

The Investigative Committee said it has opened a criminal probe into the charges, though it didn't say who might be behind the attack.

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Several gunmen burst into a big concert hall on the edge of Moscow on Friday and sprayed visitors with automatic gunfire, killing and injuring an unspecified number of people and starting a massive blaze.

The attack happened just days after President Vladimir Putin cemented his grip on the country in a highly orchestrated electoral landslide. (AP)

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(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)