SYLMAR, LOS ANGELES (KABC) -- It was a long night for dozens of passengers after they got stranded on a stalled Metrolink train for hours.The train broke down in Sylmar shortly after midnight. Authorities said there were mechanical issues.Firefighters helped evacuate the train full of passengers -- six of them in wheelchairs.After about two to three hours, MTA buses arrived to take passengers where they needed to go.