Russian security service chief says several suspects in Nemtsov case: agencies

MOSCOW (Reuters) - The director of Russia's Federal Security Service said on Wednesday that an investigation into the murder of opposition leader Boris Nemtsov had identified several suspects, Russian news agencies reported. FSB boss Alexander Bortnikov said, however, that the suspects were only one version that investigators were considering, Interfax news agency said. (Reporting by Vladimir Soldatkin; Editing by Alexander Winning)