Several key witnesses called to give evidence at the public inquiry into the Grenfell Tower fire next week have applied for immunity from prosecution.

Witnesses from cladding subcontractor Harley, main contractor Rydon and the tower’s tenant management organisation (TMO) last night made an application to claim privilege against self-incrimination as a reason for not answering questions.

They have asked inquiry chairman Martin Moore-Bick to apply to the attorney general “for an undertaking that nothing said by a witness in answers to questions in the inquiry will be used in furtherance of a prosecution against them, thereby giving them complete freedom to tell the truth without concern for the future”.

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