By Bria Brown

DETROIT (AP) — A 5-year-old boy has been fatally shot by his 18-month-old cousin who got hold of a handgun inside a westside Detroit home.

The toddler was playing with the gun about 9:30 a.m. Wednesday when it discharged, striking the older boy in the neck, according to police.

READ MORE: Michigan Matters: Impacting Health & Well-Being Across Metro Region

A 27-year-old man was at the home at the time of the shooting and has been arrested. Police said he was father to the 5-year-old and uncle of the toddler. The boys’ grandmother and a 1-year-old girl also were at the home.

READ MORE: Detroit Police Department To Host Drive-Up Candy Stations On Oct. 31 At All Precincts

The shooting was “completely avoidable,” according to Tiffany Stewart, 10th Police Precinct commander.

MORE NEWS: Metro Detroit Woman Files Lawsuit Against Walmart, Says Discriminated Against By Managers

“We lost another child in the city of Detroit due to a lack of firearm safety,” Stewart told reporters. “This is why we emphasize gun safety with gun locks and gun boxes so we don’t have circumstances like this.”

MORE FROM CBS DETROIT: Missed Gov. Whitmer’s Press Conference? Here’s Her Update On The State’s Response To COVID-19

MORE FROM CBS DETROIT: Father, 12-Year-Old Daughter Killed In Shelby Township Fiery Crash

MORE FROM CBS DETROIT: Michigan Lawmakers React To President Biden’s Executive Order Plans

© 2021 Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.