India, Nov. 4 -- The National Forensic Science Laboratory (NFSL), which was asked to examine the audio tapes that alleged former Manipur chief minister N Biren Singh's role in instigating the 2023 ethnic violence in the state, has told the Supreme Court that the clips were "tampered with".

It added: "No opinion on similarity and dissimilarity of the speakers in question can be offered."

The apex court was hearing a petition filed by Kuki Organisation for Human Rights Trust (KOHUR), which has sought an independent SIT probe into the matter.

On the insistence of advocate Prashant Bhushan, who was appearing for KOHUR, the court told its registry to share a copy of the report with the parties concerned, and posted the matter for hearing on...