Historic blasting caps force bomb squad detonation in Ephrata

Old blasting caps were discovered Thursday in the northwest section of Ephrata, prompting a precautionary response from the Washington State Patrol Bomb Squad.

Troopers safely detonated the caps, but the blast was larger than expected and startled some nearby residents.

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Officials say there was no danger to the public and no ongoing threat despite the louder-than-anticipated explosion.