A 13-year-old boy was among the casualty who died at King's College Hospital in London.
The London hospital has expressed condolences to the family as it confirmed that the boy's death had been referred to the coroner. The boy is believed to be Britain's youngest person to have died from the COVID-19 epidemic.
A Prison Service spokesperson said, the prisoner was "suffering from a number of underlying health conditions" prior to testing positive for COVID-19.
According to the UK's health ministry, 1,789 people have died due to the virus in the country.
23 deaths were recorded across Ireland on Tuesday related to coronavirus, 17 in Republic of Ireland and six in Northern Ireland.
"While the old are much more likely to die from coronavirus infection, the young are certainly not immune from it", said Clarke.
The construction of a new 4,000-bed hospital in London is underway as the United Kingdom expands its health service in an attempt to cope up with the number of people expected to be affected by the coronavirus.
It continued: "He was put on a ventilator and put into an induced coma but sadly died". "We are beyond devastated".
His family have said they are "beyond devastated" at his passing.
The death comes on the back of the biggest daily rise in deaths in a single day in the United Kingdom.
The college has started a GoFundMe page to pay for Ismail's funeral.
It is extremely rare for teenagers to become seriously ill after being infected with coronavirus, with elderly patients and those with underlying health conditions considered most at risk.
Regional figures have yet to be released for today; yesterday 125 people were confirmed to have coronavirus in Suffolk and 420 over the border in Essex.
Mr Johnson remained in isolation after testing positive to COVID-19 last week, positing a photo on Twitter showing the first "digital" Cabinet meeting.