MILWAUKEE (CBS 58) -- Police are investigating three separate fires that occurred in Milwaukee.

46th and Burleigh

The first fire happened near 46th and Burleigh.

Police say it was a 1.5-story residential building.

There were no injuries.

The Red Cross was called for two adults and six children who were displaced.

11th and Burleigh

The second one happened near 11th and Burleigh.

Police say the fire started on the second floor and spread to the attic.

There were no firefighter injuries.

Officials say everyone got out safely.

21st and Wright

The third fire happened near 21st and Wright.

Officials say there was a fire on all three floors of a vacant building.

There were no injuries to the firefighters.

All of these fires are under investigation.