EDGMERE, Md. (WJZ) — Baltimore County Fire officials said multiple residents of a St. Luke’s Place, an Edgemere senior living apartment, were injured in a fire Wednesday morning.

One woman, who called in the emergency from the apartment the fire originated in, is hospitalized with life-threatening injuries. Three residents have non-life-threatening injuries.

READ MORE: Flash Floods In Maryland Close Some Schools, Roads; Several Rescued In High Water, MSP Responds To More Than 500 Calls

Crews reported at 10:30 to the 2800 block of Lodge Farm Road. Officials said the fire was on the fourth floor, and it was extinguished within an hour.

A hundred residents are displaced by the fire, Red Cross is assisting those impacted.

READ MORE: CDC Advisory Panel Backs FDA Decision For COVID-19 Booster Shots, Baltimoreans React

There is no word on the cause of the fire.