Cross-border Sudan conflict: Chad says Sudanese Armed Forces drones and aircraft struck a convoy more than 100 km inside Chad near the border, pushing N’Djamena to raise alert levels and reigniting fears of direct confrontation. UN sanctions push: The US is urging the UN Security Council to expand the Darfur arms embargo across all Sudan and explicitly cover drones, but Russia and China are resisting. Arms and drones in the spotlight: Reports also point to foreign-linked support for RSF, including a UAE-linked mercenary network using Latin American veterans and the growing role of drone warfare. Chad tech upgrade: Chad has spotted Chinese Caihong-4 (CH-4) armed reconnaissance UAVs at Abéché Air Base, signaling a bigger aerial capability. Humanitarian pressure in Chad: Sudan’s war has driven a major refugee influx into Chad, with integration now a key challenge for education, healthcare, and jobs. Health research in the region: New pediatric sepsis and antimicrobial resistance reporting highlights how hard it is to diagnose bloodstream infections and fight drug-resistant bacteria in resource-limited settings. Science in Chad: A rusty lark was rediscovered in central Chad after nearly 95 years, with photos and filming by a Franco-Chadian team. Rural healthcare via tech: Telemedan kiosks are bringing remote doctor consultations to communities in central Chad, cutting travel costs and improving access.