Crews work to seal California spillway that forced evacuations

By Sharon Bernstein OROVILLE, Calif. (Reuters) - Emergency crews early on Monday prepared loads of rock to be dropped by helicopters to seal a crumbling spillway that threatens to inundate communities along the Feather River in Northern California, local media reported. Almost 200,000 people were ordered on Sunday to evacuate from the area below the Lake Oroville Dam, the tallest dam in the United States, after authorities said its emergency spillway could give way. The water department said on