A three-vehicle, chain-reaction crash Wednesday afternoon on Main Street sent two of the drivers to the hospital for observation.

The accident took place shortly after 3:30 p.m. at the intersection of Main Street and Clinton Avenue, according to Westport firefighters.

Fire, police and EMS crews were dispatched to the scene. After initial checks on the condition of the occupants of the three vehicles, two of the drivers were transported to Norwalk Hospital for more evaluation.

The incident is being investigated by Westport police.