Officials in Denver say 10 people were taken to hospitals and dozens were displaced after an explosion and transformer fire at an assisted living facility.

Eight people were hospitalized and 87 residents were displaced after an explosion at the Eastern Star Masonic Retirement Campus in Denver on Wednesday, March 12, according to the Denver Fire Department.

The Denver Fire Department is investigating an explosion at a senior living center that caused a fire Wednesday morning. Officials said a power line was accidentally struck, causing the explosion and a subsequent transformer fire.

A construction crew working near the main building hit a power line, causing an explosion that set a transformer on fire, fire officials said.