UPDATE: Authorities name man fatally shot by Iowa deputy this week

Authorities in the Des Moines suburb of Altoona have identified a man fatally shot by a deputy earlier this week.

The Polk County Sheriff's Office said in a news release Wednesday that 25-year-old Isaiah Hayes, of Ashland, Wisconsin, was killed early Tuesday by 31-year-old Deputy Ryan Phillips.

Investigators have said Hayes was pulled over just east of Altoona around 3:45 a.m. Tuesday, but that Hayes then sped off. Officials say he stopped a few minutes later, and deputies reported he appeared to have a weapon in his hand when he got out of the car. Officials say that's when Phillips shot him.

Phillips, who has eight years of service with the Polk County Sheriff's Office, has been placed on administrative leave.

Authorities have not said whether a gun was found on or near Hayes.

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Authorities say a deputy fatally shot a driver after a vehicle chase in the Des Moines suburb of Altoona.

A deputy pulled over a car around 3:45 a.m. Tuesday just east of Altoona, but the driver soon sped off, followed by officers. Sheriff's Lt. Rich Blaylock says the car stopped a few minutes later in an Altoona neighborhood about 2 miles (3 kilometers) away.

Blaylock says the man appeared to have a weapon in one hand as he got out of the car, and one of the two deputies fired.

State investigators have been called in. The names of those involved haven't been released.