United CEO Blames 'Belligerent' Customer For Flight Melee

CEO Oscar Munoz says airline agents were "left with no choice" but to call security.

Source: http://www.huffingtonpost.com/entry/united-airines-ceo-email-employees-us_us_58ec20e0e4b0c89f9120c8b ... and provided by video-cutter-online.com