Overview

• The Terminal 4 check-in area was evacuated for about three hours on Sept. 8 during a hazardous-materials response.
• Paramedics treated around 20 people for irritation, with no life-threatening or life-changing injuries reported.
• Police searching the area recovered a canister believed to contain CS spray, also known as tear gas.
• The man was arrested on suspicion of possession of a firearm (CS spray) and causing a public nuisance.
• The suspect remains in custody as the investigation continues.