Tube workers on strike AGAIN over optional four day week

Tube drivers are walking out over an ongoing dispute over a four day working week. Transport for London is offering staff on the underground a four day week – but the RMT union has rejected it. City AM's Alys Denby explains why this strike isn't about working conditions, but and internecine battle between the RMT and ASLEF unions. Get more of City AM 👇 🌐 http://www.cityam.com X(formerly Twitter): http://twitter.com/CityAM Facebook: http://www.facebook.com/cityam Instagram: http://www.instagram.com/city_am LinkedIn: http://www.linkedin.com/company/cityam