UPDATE: North, southbound Euclid Avenue back open

TUCSON, AZ (Tucson News Now) - Euclid Avenue both north and southbound from 8th to 6th Streets is back open after the Tucson Police Department's Bomb Squad earlier investigated a possible explosion in a nearby tunnel on Monday afternoon.

According to TPD it was a large firecracker that had been fired off.

The road was closed as a precautionary measure, according to TPD.

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