articleA small fire broke out Saturday evening on the south side of City Hall in Sunnyvale, the Department of Public Safety said. The fire started from a backup generator’s lithium-ion battery on All America Way. By 6:30 p.m., authorities said the fire was out and they didn't report any damage. A small fire broke out Saturday evening on the south side of City Hall in Sunnyvale, the Department of Public Safety said. Photo: Sunnyvale Department of Public Safety.