Update, 9:09 p.m. Firefighters say a portable heater caused the residential fire on Keith Avenue. Read about it on Berkeleyside.
Update, 2:10 p.m. According to emergency scanner traffic, the incident was determined to be under control as of just after 2 p.m. Berkeleyside will update this post as more information becomes available.
Original post, 12:42 p.m. Berkeley Fire crews are working to put out a fire in a north Berkeley home in the hills that began just before noon, authorities said.
Firefighters responded to the 1100 block of Keith Avenue at 11:47 a.m. for a report of a structure fire, said Interim Fire Chief Gil Dong.
Crews found a three-story home on fire when they arrived, said Dong, with heavy fire coming from the second and third floors.
He said no injuries had been reported, as of about 12:30 p.m.
No cause has been determined, as firefighters are still engaged in knocking down the blaze, he said.
A thick black cloud of billowing smoke could be seen from many vantage points around Berkeley.
The following photographs were shared with Berkeleyside by K. Lawson. We always appreciate reader photo submissions via email at email@example.com.