Dozens of Doctors Without Borders staff have been accused of sexually abusing Sudanese refugees in Chad, the organisation said Monday, adding that it dismissed 18 workers after investigations found "serious misconduct". The medical charity, which goes by its French acronym MSF, said it had launched a series of investigations into "serious allegations of sexual exploitation and abuse" put forward in late 2024 by Sudanese refugees hosted in eastern Chad. FRANCE 24's Mark Owen speaks with Charles Bouessel, Senior Analyst for Central Africa at the International Crisis Group.