A construction crane fell from a building on Google’s new Seattle campus during a storm that brought wind gusts, crashing down on to one of the city’s busiest streets and killing four people.

One female and three males had died by the time firefighters had arrived on Saturday afternoon, Fire Chief Harold Scoggins said.

Two of the dead were ironworkers who had been inside the crane while the other two were people who were inside cars, Fire Department spokesman Lance Garland said.

A 25-year-old mother and her four-month-old daughter were in a car that was smashed by the crane on its passenger side, and both managed to escape with only minor injuries, Seattle mayor Jenny Durkan said, calling it a miracle.

They and a 28-year-old man were taken to Harborview Medical Centre. A fourth person also was injured and treated at the scene.

The King County Medical Examiner’s Office said it would not release names of people who died until Monday.

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