A fire truck driving in San Francisco’s South of Market neighborhood this morning clipped a big-rig, which then hit a man on the sidewalk nearby, fire officials said.At about 9:10 a.m., the tiller ladder truck was conducting a routine check and was making a right turn from Mission Street onto New Montgomery Street when it struck the parked Penske big-rig, fire department spokeswoman Mindy Talmadge said. Read More