(Portland, OR) -- Fire damaged a warehouse in Northeast Portland Saturday morning along with several businesses that used the building. The warehouse is located at Northeast 127th and Marx Street. Heavy fire was showing when firefighters arrived and the roof was collapsing. Water was poured in through the roof and large roll-up doors. Freezing temperatures caused icy conditions that made it difficult for crews to walk. No one was hurt battling the fire. The investigation into the cause of the fire is ongoing.