1: ( CNN ) A nuclear submarine being repaired at a Russian shipyard has caught on fire , according to a law enforcement source speaking to Russia 's state-run news agency ITAR-Tass . 2:  There are no armaments or chemically active , dangerous substances , fissionable materials on it ,  Gladyshev said to Tass . 3: No  dangerous  substances on the submarine , shipyard spokesman told ITAR-Tass .
1: Russia 's state-run news agency ITAR-Tass 2: Tass 3: ITAR-Tass