Unattended food on a stove caused an estimated $7,000 damage to a Waipahu apartment and caused the evacuation of the high-rise building Tuesday night. 

The fire was reported at 9:36 p.m. at the Plantation Town Apartments located at 94-979 Kauolu Place. 

Seven fire companies staffed with 23 personnel arrived at 9:42 p.m. to find residents leaving the 12-story apartment building. 

Firefighters discovered the kitchen fire had been extinguished by an activated fire sprinkler. The activated sprinkler system caused significant flooding to ten additional units. 

Paramedics treated a resident injured evacuating the building and took the resident to the hospital. 

The fire was isolated to the kitchen area of a fourth0floor unit. Damage is estimated at $5,000 to the structure and $2,000 to its contents. 

The water damage had not been evaluated Tuesday night. 

No other injuries were reported.