On Wednesday in Brazil, airline pilots and stewardesses participated in a two-hour strike demanding a pay increase to compensate for the 11% inflation that has happened over the past year. The strike caused flights throughout the country to be delayed or cancelled. The striking employees held signs and gathered in the lobbies of major airports in Rio de Janeiro and Sao Paulo.
See "Brazilian Flights Hit by Airline Crews' Two-Hour Strike", The New York Times, February 3, 2016