SAN DIEGO – Thick, black smoke from a tree fire along Interstate 8 in Mission Valley filled the air Tuesday morning.
Westbound traffic was slowed near Mission Valley Center Road on-ramp to allow firefighters to battle the vegetation fire. It sparked around 9:30 a.m.
Firefighters were able to contain the blaze that charred around 20-square-feet.
Arson investigators were called to the area, according to San Diego Fire-Rescue spokesman Jose Ysea.