LOS ANGELES >> A man who went to the aid of Bryan Stow moments after the San Francisco Giants fan was attacked by two home team followers in a Dodger Stadium parking lot three years ago testified Wednesday that he saw no security before the beating and that no help arrived for about 15 minutes.Testifying in the trial of Stow's negligence lawsuit against former Dodger owner Frank McCourt and Los Angeles Dodgers LLC, Joseph Lagano said he did not view Stow being punched, but did witness him falling to the ground.