The cause of the fire, which was reported to Sunnyside firemen at 3 a.m. this morning, is under investigation by Sunnyside firemen.
At present there are no further details surrounding the structure fire reported in the 900 block of South Ninth Street, according to a fire department spokesperson.
A Saturday night structure fire reported in the 400 block of West Madison is also under investigation.
In other activity during the past weekend, firefighters responded to automatic fire alarms in the 1,700 block of Lincoln Avenue and in the 600 block of Maple Grove, both of which were cancelled before firemen arrived on the scene.
Firemen also responded to nine aid calls and made four transports since last Friday.