India, July 12 -- Bangladesh police have filed an anti-terrorism case against 16 people, alleging that they formed a self-styled extremist organisation while operating under the guise of a martial arts training centre, local media reports said.

The First Information Report (FIR) alleges that after six suspected members were arrested, their associates issued threats and demanded their release, reported The Daily Star.

According to the report, Inspector AB Siddiq of Jatrabari Police Station filed the case under the Anti-Terrorism Act.

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The case was registered days after the chief instructor of the Fatah Combat System martial arts tra...