CHICAGO (CBS)– A fire at an apartment complex in Griffith, Indiana sent two police officers and two residents to the hospital.

Crews first arrived on the scene around 2 a.m. Wednesday and found smoke coming from the building.

Right away, they started helping people get out and were able to rescue a mother and her baby from an upper floor apartment.

According to the Griffith Police Department, both officers have been treated a released from local hospitals.

The Red Cross was on scene to help the people forced out of their homes.

The cause of the fire is still unknown.

This is a developing story.