At least 77 people have been killed and 151,000 acres burned so far in California's deadliest-ever fire.
A witness said a man shot a woman he had been speaking to and then began shooting others, NBC station WMAQ reported.
“The evidence was absolutely mind-blowing to me," said the lead researcher.
110 of the 152 students at the Asheville Waldorf School in North Carolina do not have the chickenpox vaccine, as the school has one of the highest religious vaccination exemption rates in the state.
With the death toll rising daily, close to 1,000 people are unaccounted for. Now officials say impending rain will complicated the search operation on the ground.