On 22 March 2021, a massive fire broke out in the Kutupalong Rohingya mega camp in Cox's Bazar, affecting camps 8W, 8E and 9. As a result of the fire, a UNFPA –supported Women-led Community Center (WLCC) in Camp 8E and UNFPA-supported Women Friendly Space (WFS) in Camp 9 were fully destroyed. This fourth situation report provides a comprehensive overview of the actions UNFPA is taking in the aftermath of the tragedy, as well as the overall needs on the ground.