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Social media is becoming an increasingly important source of political information. At the same time, however, social media is also the main conduit for so-called ‘fake news’. We do not yet fully understand the forces underlying the spread of false information on social media, but negative emotions and echo-chambers––like-minded enclaves where social media users do not receive counter-attitudinal information––likely play an important role, both independently and in conjunction with each other. In two lab experiments conducted with students in Turkey and in the UK, I test 1) whether anger and whether being in an echo-chamber affects people’s propensity to share fake news, and 2) whether there is an interactive effect between being angry and being in an echo-chamber on the sharing of false information. In the experiments, I first randomise exposure to anger, which is induced through autobiographical recall. All subjects then read a fabricated news article, after which they are randomly assigned to chat groups with a like-minded or an oppositional participant. My analysis suggests that both the ‘anger’ and ‘echo-chamber’ treatments make people more likely to share inaccurate information. However, only the latter treatment effect is statistically significant.