Mattheis is the son of one of our KIRO 7 employees. Our thoughts are with his family as they grieve this difficult loss.

A 15-year-old boy died following an incident in which he reportedly fell 50 feet off a structure at Gas Works Park in Seattle ...

Mattheis Johnson, 15, was killed in an accident following an outdoor pop-up concert at the Seattle park. SEATTLE — A Ballard ...

At least three people have died since 2012 after falling from one of the structures at Gas Works Park, the site of a former ...

While attending a pop-up concert, a 15-year-old student sadly passed away after falling 50 feet at the Gas Works Park.

A local community is mourning following the death of a 15-year-old boy, who passed away after falling 50 feet from a ...

The teen, identified as 15-year-old Mattheis Johnson, died in after falling from a platform at Gas Works Park on Thursday.

A 15-year-old Ballard High School student, Mattheis Johnson, died after falling at Seattle's Gas Works Park during a pop-up ...