Fire officials say they believe the fire had been burning for quite some time before residents noticed it.
Two people were treated at the scene by EMS workers, the FDNY said.
The generations of men and boys who played baseball with the Bonnie Youth Club in Flatbush knew Jose Castro a long time - he coached and managed teams there since 1987.
A fiery blaze tore through a mixed-use building in Flatbush early Saturday morning, leaving two people dead and a neighborhood reeling.
The fire broke out just after 1 a.m. on West Tremont Avenue between Phelan Place and Sedgwick Avenue, according to the FDNY.
A mother lost her youngest child and two of her other children remain in critical condition after fire broke out in the Fordham section of the Bronx Monday.