This blonde wakes up in the middle of the night to find her house on fire.
Panicked, she dials 9-1-1 and screams “My house is on fire, you've got to come put it out”.

“Okay, ma'am, could you tell us how to get there?”
and she says “Duuuh, in the big red truck!”

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What do smart Blondes and UFOs have in common? You always hear about them but you never see them.