Serious injury accident reported on Thruway

An accident with possible serious injuries is reported on the Thruway in the area of mile marker 404. 

The call came from a tollbooth operator. 

A Thruway vehicle is involved; the injury is in the second vehicle. 

Pembroke and Indian Falls fire along with Mercy EMS responding. 

UPDATE 3:58 a.m.: Mercy Flight out of Batavia is only available for eastbound flights at this time. Dispatch on availability of Mercy Flight out of Buffalo. 

UPDATE 4:09 a.m.: All eastbound traffic being blocked. CPR in progress. 

UPDATE 4:18 a.m.: Mercy Flight can stand down. 

UPDATE 5:50 a.m.: We have no further information at this time. The accident is under investigation, according to State Police.