There's a motor vehicle accident with injuries at Route 77 and Sumner Road in Darien. It is blocking traffic.
Darien fire and Mercy EMS have been dispatched and a fire chief has requested information about the availability of Mercy Flight.
UPDATE 7:14 p.m.: Route 77 has been closed in both directions. Mercy Flight should be on scene shortly.
UPDATE 7:17 p.m.: Mercy Flight is on the ground.
