Nigerian prison survivor recounts 33 cellmates dying in overcrowded Minna cell

Thirty-three prisoners died in a roughly 6m-by-3m cell holding more than 50 people at a prison in Minna, Niger state, Nigeria; four more died in hospital. Survivor Usman Muhammad told the BBC of heat above 25C and humidity over 90%; officials initially blamed diphtheria, but the deaths are now under investigation after protests.