March 31, 2015 6:51 pm VIDEO: Teen Knocks Out Man on Subway Platform Monday afternoon, an argument turned physical on mass transit. Now police are searching for a teen who punched a man on a SEPTA subway platform. NBC10’s Cydney Long has the latest. US & World Videos 4:54 The history of the Benjamin Franklin Parkway and how it was inspired by Paris' Champs-Élysées 2:17 ‘Food has been an integral part my life': Local chef nominated for another James Beard award 2:21 Philly could be blocked from renewing lease of Fairmount facility used as a shelter 2:06 Witnesses explain what they saw during the deadly Chester workplace shooting 1:57 Giant sculptures representing the community are coming to Kensington