A firefighter allegedly killed a co-worker and wounded another at their small fire station before setting his own home ablaze and apparently killing himself in California’s second deadly workplace shooting in days, authorities said. The alleged gunman, a firefighter specialist and engineer, was off-duty when he apparently drove the 10 miles (16 kilometers) from his home in Acton, north of Los Angeles, and opened fire Tuesday morning at Los Angeles County Fire Station 81, according to authorities. The alleged killer “was not scheduled to work today. He came back and confronted the on-duty personnel,” a visibly shaken Fire Chief Daryl Osby told reporters. “I cannot speak to the mindset of the shooter.” The chief also said he didn’t know about any disciplinary actions involving the alleged gunman, who wasn’t immediately identified. A 44-year-old fire specialist, who drove a fire truck, was shot several times in the upper torso and died. The …