A damaged spillway with eroded hillside is seen in an aerial photo taken over the Oroville Dam in Oroville, California. California Department of Water Resources / William Croyle / Reuters
A damaged spillway with eroded hillside is seen in an aerial photo taken over the Oroville Dam in Oroville, California. California Department of Water Resources / William Croyle / Reuters

World

‘This in NOT A Drill.’ Evacuations ordered below damaged California dam

'Immediate evacuation from the low levels of Oroville and areas downstream is ordered,' the Butte County Sheriff posted on social media.