Abdulmanon Aliev, 50, sat down opposite the 13-year-old on a train from Southend to London on the afternoon of June 16 last year and tried to use a translator app to speak to her.

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Abdulmanon Aliev, 50, sat down opposite the 13-year-old on a train from Southend to London on the afternoon of June 16 last year and tried to use a translator app to speak to her.