Hundreds of residents in Richmond, Indiana have been evacuated from their homes due to a massive fire at a local plastics recycling plant, which has released toxic chemicals including hydrogen cyanide and benzene into the air. The EPA is conducting tests to determine when it will be safe for residents to return, and Mayor Dave Snow has urged residents to remain patient and follow the evacuation orders. The EPA is continuing to monitor the air quality in the area and will provide updates as they become available.