Messy multi-vehicle crash on southbound I680 at N. Main in Walnut Creek sent two people to the hospital and tied up traffic for more than an hour after it was reported at 7:28p.m. tonight.
A pup riding in one of the involved cars escaped unscathed.
California Highway Patrol officers eventually cleared the stretch of highway of wreckage and re-opened all lanes at approximately 8:58pm.
