Two men have been arrested on suspicion of conspiracy to murder in connection with the death of singer Ian Watkins at HMP Wakefield.
The former Lostprophets frontman, who was serving a 29-year sentence for child sex offences, died after being attacked at the high-security jail on 11 October.
West Yorkshire Police said the men, aged 23 and 39, were arrested at the jail on suspicion of conspiracy to murder.
Det Ch Insp James Entwistle said: "Extensive enquiries remain ongoing in relation to the murder of Ian Watkins and these arrests form part of that."
