The former head of the Moscow Patriarchate's external affairs department was stopped by police in Karlovy Vary on May 24, with white-substance containers found in his car.
Metropolitan Hilarion, former Moscow Patriarchate diplomat, detained in Karlovy Vary on May 24.
Czech police found containers with a white substance in his vehicle.
The nature of the substance and any formal charges have not been publicly disclosed.
Spain's Health Ministry confirmed a hantavirus case in a passenger evacuated from the MV Hondius earlier this month, with the patient now in quarantine at a military hospital in Madrid.
A Spanish evacuee from the MV Hondius cruise ship has tested positive for hantavirus in Madrid.
The patient is in quarantine at a military hospital in the Spanish capital.
Hantavirus does not spread person-to-person but can cause serious complications.
Washington is pursuing a deal with Tehran to reopen the Strait of Hormuz. Israel, its partner in the military campaign, sees the negotiations as a premature concession to a regime that never fell.
The Iranian regime has survived three months of a joint Israeli-American military campaign.
Trump is negotiating the reopening of the Strait of Hormuz; deal terms are alarming Israel.
Israeli officials accuse the US of prioritising economic interests over regional security.