Crews fight the fire on Ajax Place around 3:45 a.m. Photo: Andrew Jervis

Crews from multiple jurisdictions battled and have contained a grass fire that broke out around 3:45 a.m. in Tilden Park.

Residents on Ajax Place and Grizzly Peak Boulevard put in multiple calls to authorities to report they were seeing embers floating in the air, according to unconfirmed scanner reports.

Alameda County put out a number of alerts in the early hours saying crews from multiple jurisdictions were fighting the fire and that evacuations were not advised. “Residents in the area should be prepared to leave should conditions change,” the alerts added.

Berkeley Police put out a Nixle alert at 4:40 a.m. saying there was a fire on Golf Course Road and Ajax Place. The flames were under control by 5:20 a.m., but firefighters were still extinguishing hot spots, according to Berkeley police.

Ajax fire knocked down, structures have been protected. The smoke you are smelling is predominantly from large fires in Napa and Sonoma Co.

— BerkeleyFirefighters (@BerkeleyFD) October 9, 2017

Police spotted a downed power line on Golf Course Road, according to unconfirmed scanner reports. The flames appeared to spread out over 2 acres, according to the scanner.

No structures were threatened.

Firefighters responded to a grass fire in Tilden Park near Golf Course Road around 3:45 a.m.

The grass fire came during a Red Flag warning for the Berkeley Hills that remains in effect until 5 a.m. Tuesday. Wind gusts reached 60 mph on Mount Diablo, according to CBS News in the Bay Area.

Meanwhile, the smoke from a number of fires in Napa and Sonoma counties settled over the Bay Area. SF Gate reported that police and fire agencies around the region are getting calls asking about the smoke smell.

Berkeleyside will update this story as we get more information.

Frances Dinkelspiel, Berkeleyside and CItyside co-founder, is a journalist and author. Her first book, Towers of Gold: How One Jewish Immigrant Named Isaias Hellman Created California, published in November...