A second inmate at Littlehey prison in Cambridgeshire has died after being diagnosed with coronavirus.
The 77-year-old died in hospital on March 27.
A Prison Service spokesperson said, the prisoner was "suffering from a number of underlying health conditions" prior to testing positive for COVID-19.
The Ministry of Justice said the second death will be independently investigated, as with all deaths that happen in custody.
Edwin Hillier, who was 84 and a convicted paedophile, was the first inmate to die from coronavirus at the prison on March 22.
He was the first British prisoner to die after contracting coronavirus.
Hillier, who reportedly had underlying health issues, died in hospital on Sunday, having been moved there from the category C male sex offenders' prison.
As of 5pm on Monday, 65 inmates had tested positive for coronavirus in 23prisons, the Ministry of Justice said