Rescuers work at plane crash site in Havana, Cuba

Rescuers work at the site where an airplane of Cuban airline "Cubana de Aviacion" crashed, in Havana, Cuba, on May 18, 2018. At least three people have been found alive, but in critical condition, after a Boeing 737 passenger plane crashed near Havana on Friday, according to state newspaper Granma. (Xinhua/Joaquin Hernandez)