Here is the latest Northern California news from The Associated Press

SAN FRANCISCO (AP) — Authorities say a house under construction has collapsed in the hilly San Francisco neighborhood of Twin Peaks. KTVU-TV reports there are no reports of injuries following the collapse late last night. Officers say at least one home was evacuated in the area at the center of the city. The street around the house has been closed to traffic.

BIG SUR, Calif. (AP) — A wildfire in the Big Sur area has destroyed at least 15 homes and forced about 100 people to evacuate but no injuries are reported. The fire burned about 500 acres in the Pfeiffer Ridge area of Los Padres National Forest near state Highway 1, with 0 percent containment. Los Padres National Forest spokesman Andrew Madsen said the fire destroyed the home of Big Sur Fire Chief Martha Karstens.

SAN FRANCISCO (AP) — Death, devices and celebrity drove the quest for more information on Google's search engine this year. Three of the world's four fastest-rising search requests on Google were triggered by the deaths of famous men, most recently former South African President Nelson Mandela. The iPhone 5S finished third in Google's rankings. The Samsung Galaxy S4 took eighth, one spot ahead of PlayStation 4.

NEW YORK (AP) — Facebook says it's testing video ads that will show up in its users' news feeds. When they appear, the ads will automatically start playing without sound. Users can either click on the video to view them with sound, or keep scrolling by if they're not interested. Facebook says the idea is still very much in the testing phase and that it's not currently selling video ads.