The explosion sent a funnel of smoke emanating from the site, which could be seen from miles away. Witnesses said they heard a loud explosion coming from the area, and nearby buildings shook from the blast. Portland CBS affiliate KOIN reported how five people were injured due to the explosion, but people from the surrounding buildings were evacuated. Kimberly Johnson, COO of the nearby Dosha Salon Spa, said she and her employees were evacuated safely from the area.
Authorities are still trying to determine what exactly happened, with the Bureau of Alcohol, Tobacco, Firearms and Explosives even being on hand to assist. While the investigation is currenty ongoing several eyewitness were able to document the aftermath of the explosion:
The New York Daily News reported three firefighters and two civilians were injured in the aftermath of the blast. KIRO 7 News reported a third party may have been responsible for the damaged gas line, but catalyst for the explosion is still unknown at this time.