An encampment fire caused a massive plume of smoke to rise above downtown Seattle Monday afternoon. The fire sparked in an encampment at Mercer Street near Fairview, close to an Interstate 5 onramp. Eastbound lanes of Mercer Street were blocked while firefighters worked on the scene. There were no injuries reported and firefighters did not find anyone in the encampment. Seattle police said they detained one person related to the fire and are investigating whether or not it was intentionally set. The smoke plume from the fire could be seen from across the water on Alki Beach. Read the full story here: https://www.king5.com/article/news/local/seattle/seattle-brush-fire-smoke-plume-downtown/281-5c86c198-615d-4495-bbeb-7e142babdf73