5:10 p.m.: CHP spokesman John Patterson said the roadway has been cleared and that two people were treated for minor injuries. Traffic remains backed up to Mariposa Road, he said.
Earlier: The California Highway Patrol is reporting that up to six vehicles, including two big rigs, are involved in a collision at Southbound Highway 99 and Athlone Road, near Chowchilla. Two people have minor injuries, according to the CHP web site.
All lanes are blocked and traffic is backing up, the CHP said.
CHP dispatchers are reporting a number of non-injury accidents as well as downed power lines and trees around Merced County as a result of the dust storm that hit the area just after 3 p.m.
A second accident in the same area was reported around 4:30 p.m.
Keep watching MercedSunStar.com for updates on this developing story.
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