DURANGO, Colo. (AP) — Authorities say a man who died last November in the La Plata County Jail suffered a bruise that led to a blood clot in his leg.

The Durango Herald reported Monday that authorities have determined 26-year-old Vicente Lucero died of the clot, but they are unsure how he suffered the bruise leading to it.

Lucero was let out of his cell the morning of Nov. 3 and collapsed soon after in a common area. He was being held on suspicion of burglary and assault and was accused of walking naked and threatening to kill people along a road north of Durango.

Lucero was in jail for eight days before he collapsed.

La Plata County Coroner Jann Smith ruled the death natural.

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Information from: Durango Herald, http://www.durangoherald.com