3-alarm fire damages townhomes in Arlington

ARLINGTON, Texas - Firefighters battled a large fire at a townhome complex in Arlington on Thursday morning.

Arlington apartment fire

What we know:

The Arlington Fire Department confirmed that when firefighters arrived at the Parkside Townhomes on Millview Drive, heavy smoke and flames were rising from the roof of the two-story building.

They quickly sounded a third alarm because of how big the fire was and how close it was to other buildings.

The fire was mostly out by the time SKY 4 arrived at the scene.

Images showed a significant amount of damage to the building, which reportedly included six apartment units.

Thankfully, the fire department said everyone made it out safely and no one was hurt.

What we don't know:

Investigators are still working to determine the cause of the fire.

It's not clear how many people lost their homes.