The GEF 1 state office building in dowtown Madison will be closed Friday after a firefighters put out a fire in the fourth floor of the building early Friday morning.

The fire department was called to the GEF -1 office building on East Washington around 2 a.m.

Crews found melted ceiling tiles on the fourth floor of the building and a small area of flames, which they knocked down.

The cause is still unknown.

The Department of Administration made the decision to close the building Friday after talking with Madison fire officials. All other state office buildings will remain open. About 1,000 employees work in the building.

GEF-1 is the headquarters of the Department of Workforce Development and the Department of Children and Families.

State officials said the services provided to customers by both the Department of Workforce Development and Department of Children and Families are still available while the building is closed.  DWD and DCF’s online services were not affected, and all other DCF services are operating as normal.  Unemployment payments scheduled to be issued Friday by DWD have been processed.

Staff will not return to the building until clean-up is complete and parking at the facility will not be allowed until further notice.

State officials said supervisors will work on finding alternate locations for employees to work and determine which employees may be able to work from home during the building closure.

The building was last inspected on Dec. 6 and there were no violations, according to state officials.