GALAX, Va. — About 95 vehicles crashed Sunday along a foggy stretch of interstate near the Virginia-North Carolina state line, killing three people and injuring more than 20 others, police said.

Traffic backed up for about 8 miles in the southbound lanes of Interstate 77 in southwest Virginia. Authorities closed the northbound lanes so that first responders could get to the wreck.

A series of crashes began around 1:15 p.m. Sunday in the area of Fancy Gap Mountain.