FEDERAL WAY, Wash. - A semi caught fire around 2 a.m. Thursday on Interstate 5 at State Route 18 in Federal Way.
The semi blocked one lane of NB I-5 and partially blocked the offramp to eastbound SR 18 for several hours.
Washington State Patrol says a tire on the semi caught fire and the fire spread to the trailer.
There are no injuries.
The truck was moved to the shoulder by 6 a.m.
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