Following a series of coups d'état in recent years in Niger, Mali and Burkina Faso, the Sahel region is undergoing a major redefinition. In a context of high insecurity, what are the possibilities for accessing populations? What are the conditions under which our teams are operating, and can we do more? This interview with Hamadoun Dicko, who is in charge of access issues in the Sahel for MSF, was originally published association's website of MSF-France.