One of the key suspected Mafia bosses arrested yesterday in one of Sicily 's biggest police operations has hanged himself in his prison cell , police said .
Mafia bosses
key suspect mafia boss arrest yesterday sicily big police operation hang his prison cell police say
One of the key suspected <m> Mafia bosses </m> arrested yesterday in one of Sicily 's biggest police operations has hanged himself in his prison cell , police said .
One of the key suspected <m> Mafia bosses </m> arrested yesterday in one of Sicily 's biggest police operations has hanged himself in his prison cell , police said .
Gaetano Lo Presti , the `` godfather '' of the Palermo district of Porta Nuova , was found dead late last night in Pagliarelli prison in the Sicilian capital of Palermo .