LONE PINE, CA - JULY 18: An alpine storm brings rain and lightning to the High Sierra Nevada mountains, which are devoid of the snow packs that normally last throughout the summer, on July 18, 2021 near Lone Pine, California.
Authorities are bracing SAN FRANCISCO - Investigators are considering whether toxic algae blooms or other hazards may have contributed to the deaths of a Northern California couple, their baby and the family dog on a remote hiking trail, authorities said.The area in the Sierra National Forest where the bodies were found on Tuesday had been treated as a hazmat site after concerns were raised about the deaths being linked to potentially toxic gases from old mines nearby.But the hazmat declaration was lifted Wednesday,.