Core Viewpoint - The government of Côte d'Ivoire has intervened urgently in response to a mass fish die-off in Grand-Bassam, particularly affecting tilapia, prompting immediate fishing bans and product sales halts in the affected areas [1] Group 1: Government Response - The Ministry of Animal and Fishery Resources (MIRAH) has taken emergency measures following the fish mortality event reported on August 11 [1] - The government has suspended all fishing activities and sales of related products in the impacted region [1] - Teams were dispatched on August 12 and 13 to confirm the mass death of fish and shellfish [1] Group 2: Investigation and Causes - Preliminary investigations suggest that garbage, chemical waste, asphalt residue, and wastewater from pipelines may have contributed to the fish die-off [1] - Water samples and samples of the deceased fish are currently undergoing analysis and testing [1] - The government has called for enhanced environmental sanitation measures in the surrounding areas [1]