Officials say homeless people were living inside the vacant structures and that witnesses had seen warming fires.

Efforts to decrease wood burning in Portland not exactly catching fire They produce more harmful particulate matter than ...

“Makeshift stoves” used by homeless people are the likely cause of the blaze that tore through an industrial building at the former Blue Heron paper mill in Oregon City last month, fire ...

The fire at the former Blue Heron Paper Mill in Oregon City was caused by a warming fire. Investigators say homeless people were living in the buildings and using make-shift ...