From VancouverFilm.Net, Sneak Peek footage from the "Arrow" episode "Fighting Fire with Fire", written by Speed Weed, Ben Sokolowski and directed by Michael Schultz, airing March 1, 2017 on The CW:
"...'Oliver' (Stephen Amell) faces his biggest challenge yet as mayor. 'Felicity' (Emily Bett Rickards) continues down her dark path with 'Helix'.
"Then 'Vigilante' attacks Oliver while he's acting as the mayor, as 'Diggle' (David Ramsey) leads the team in a mission to stop Vigilante once and for all..."
Click the images to enlarge and Sneak Peek "Arrow: Fighting Fire With Fire"...