Mall officials issued a written statement about the incident. "Yesterday, someone put foreign substances into our Koi Pond and was arrested by Aventura Police.

Over 20 of the fish died as a result. Mall officials said the cleaning and care of the remaining fish would cost around $5,000, bringing the total loss to the mall to around $25,000, the report said.

Koi fish in the Aventura Mall faced a chemical attack Thursday when a Miami Gardens man poured bleach and alcohol into a man-made pond where they swim, police say. Many of the fish were saved, but ...