We're learning more about the chemicals on board the truck that caught fire and exploded, Thursday afternoon, tying up traffic for several hours.

More from Taylor Van Cise...

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[Seattle Fire says the welding supply delivery truck was carrying more than just compressed oxygen.

Also onboard were the highly flammable gases acetylene and propane, and the non-explosive noble gas argon.

While argon is not on its own easy to ignite, that changes when it mixes with oxygen or another oxidizer. Which means it certainly could have reacted violently when that delivery truck broke down and caught fire.

Nobody was injured by the numerous explosions.

Taylor Van Cise, Northwest Newsradio.

Vehicle Fire Upd Tav Voicer

A feature aired on KOMO NewsRadio in Seattle, put together shortly after news of Chris Cornell's death broke.

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