The company running Oakwood Prison in Wolverhampton, G4S, has confirmed that "an incident" is taking place at the prison, involving three prisoners.
Earlier reports have suggested the prisoners are protesting on the roof of the much-criticised prison.
We can confirm that an incident involving three prisoners is taking place at HMP Oakwood.
The Ministry of Justice has been alerted and our normal contingency plans have been enacted.
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Fire crews say a large fire at the Zion Christian Centre in Halesowen was not started deliberately.
West Midlands weather: It will remain cloudy and wet overnight, with some heavier bursts of rain likely at times.
East Midlands weather: It will stay cloudy overnight with further outbreaks of rain, likely to turn heavy at times later.