(Portland, OR) -- A vacant building at Southwest 4th and Washington in downtown Portland is becoming known for fentanyl and other drug use. On a recent Friday, police responded to several overdose calls including one fatality. The building's owner wants to board it up, but needed to make sure everyone was out. Portland Police responded with several officers to search the building. Many of the officers came in from vacation to help with the operation. Mayor Ted Wheeler thanked them for their support.