A driver and an unrestrained child were injured when the vehicle they were in slammed into the back of a King County Metro bus.

The 28-year-old driver and the 4-year-old boy were taken to Harborview Medical Center. “A few” minor injuries were reported from people on the bus.

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The I-5 express lanes in Seattle were closed for more than an hour while law enforcement investigates the crash. They reopened around 12:20 p.m.