TUCSON, Ariz. (KOLD News 13) - Traffic is delayed on westbound I-10 near milepost 178 after a fatal collision occurred where a horse trailer lost its cargo at 11:23 a.m on Sunday.
Authorities say it is unknown at this time as to how many vehicles were involved.
A horse has been corralled.
The roadway is currently blocked and police say there are multiple secondary injury collisions reported.
Expect delays in the area.