UPDATE (1:54 p.m.): According to an updated Twitter post, one of the semi-trailers was carrying several cases of hand sanitizer, a flammable substance due to its alcohol content.
Putting out the trailer required hours of firefighting efforts, the post said. Crews used alcohol-resistant foam and deployed the aerial ladder to act like a sprinkler system over the trailer.
The fire was ultimately put out at 10:30 a.m., the post said…