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A fire erupted in a four-story Miami apartment building Monday morning.
Firefighters rescued many elderly residents by ladder.
During the search, a crew found a man with a gunshot wound outside a third-floor apartment. He was rushed to the hospital in critical condition, WPLG reported.
Police have not determined if the fire and the shooting were related.
Two firefighters who suffered heat-related illnesses also were transported for treatment.
Some residents said they heard an explosion shortly after 8:15 a.m.
Firefighters had to transition to an exterior attack as the conditions worsened.
