Oakland firefighters along with CalFire are battling a five-alarm blaze in the Oakland hills Friday afternoon, as gusty winds and dry conditions pose a serious threat of the fire spreading. Firefighters had stopped the blaze’s progress around 4 p.m., according to social media posts from the Oakland Fire Department. But it had already burned 13 acres in the area of Mountain Boulevard an Maynard Avenue. The department reported four structures damaged and dozens of residents forced to leave their homes…