Last updated at 4:36 p.m. on Tuesday, Aug. 2

A man was killed after the boom truck he was operating hit an elevated power line in a residential area of Eagle River Tuesday morning.

Anchorage police identified the man as 57-year-old Donald Emmert.

A spokesperson for the Occupational Safety and Health Administration (OSHA) said Emmert was operating a boom truck with a wired remote when part of the boom arm hit a power line while he was working at a home on Upper Skyline Drive.

OSHA acting chief, Ron Anderson said Emmert was working alone at the time of the incident, which remains under investigation. OSHA said it may take up to three months to complete the investigation.

The Anchorage Fire Department received a call at 10:30 a.m. and responded with five units, according to spokesperson John See.

Matanuska Electric Association was on site Tuesday afternoon to restore power to the affected area.

Heather Hintze contributed reporting.

This is a developing story; please check back for updates.