About 30 cars involved in crashes on 520 bridge

VIDEO: Black ice causes dozens of drivers to crash

BELLEVUE, Wash. — Slick conditions caused multiple crashes and blocked all westbound lanes of State Route 520 Monday night, troopers say.

The crashes happened on the east side of the SR 520 floating bridge.

Troopers said a Metro bus and about 30 cars were involved in crashes.

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Trooper Rick Johnson said there were no major injuries.