Optimum cable subscribers around the country lost access to 63 channels Friday night as part of an ongoing dispute between Optimum parent company Altice and Nexstar Media Group. Given that Nexstar's assets include dozens of local cable affiliates of NBC,

Nexstar’s WPIX in New York and NewsNation are among the TV properties that can no longer be seen on cable systems owned by Altice, in the latest carriage dispute to erupt in the industry. Nexstar said Friday that 63 of its local TV stations had gone dark in 42 markets around the U.