Crews are investigating brown substance found on keyboards and chairs at a north Phoenix Wells Fargo.
Phoenix fire officials said hazmat crews, along with the Phoenix Police Department's bomb squad, are looking into what the substance is.
The Wells Fargo is located near Cactus Road and Black Canyon Highway; the building was evacuated shortly before 11:20 a.m.
Employees at the bank did not come into contact with the brown substance.
Other details are not available; stay with ABC15 for updates.