Cardinal Raymond Burke is shown praying Oct. 15, 2017, in front of the relic of St. Thomas More’s head, which is buried in a vault in St. Dunstan’s Church in Canterbury, England. St. Thomas More is one of Cardinal Burke’s favorite saints.

A source who has spoken to someone close to the cardinal told CNA his condition has deteriorated, and the next 48 hours are crucial.

Read More: National Catholic Register