Overview

• Over 100 cyclists, dirt bikers and scooter riders illegally moved onto Boston highways Saturday, crossing the Zakim Bridge and entering Interstate 93’s O’Neill Tunnel.
• Massachusetts State Police deployed helicopters to monitor the group and warned the public not to intervene.
• In the Seaport District, a stolen dirt bike collided with a police cruiser and its rider fled the scene.
• A 22-year-old suspect was arrested and is expected to face disorderly conduct and resisting arrest charges.
• Authorities continue investigating the incident and have not disclosed whether further arrests have been made.