A house fire burns a home on the 4900 block of Marietta Way early on Saturday morning. (Photo: Sac Metro Fire)

Firefighters in Sacramento were busy on Saturday, and at least one of the fires may have been intentionally set.

Sac Metro Fire was called to the 4900 block of Marietta Way early Saturday morning.

When they arrived on scene they found the house did not have electricty and squatters may have been living there. Total damage there was estimated at 200,000.

Also Saturday fire crews responded to an apartment fire on Marconi avenue that witnesses say was intentionally set.

Investigators are trying to determine the cause of that fire.