Ukrainian media on July 21st prominently covered ongoing massive Russian aerial assaults, particularly overnight strikes on Kyiv and Ivano-Frankivsk, continuing a trend of recent days. However, the day's editorial focus increasingly shifted to a significant domestic development: alleged Russian infiltration within the National Anti-Corruption Bureau (NABU). SBU raids led to arrests, a story that escalated through the afternoon, culminating in G7 ambassadors requesting discussions with Ukrainian government leadership, indicating international concern over this internal security breach. Concurrently, efforts to bolster defenses remained a priority, with Germany pledging five Patriot systems and funding long-range drones, echoing previous days' discussions on military aid. President Zelensky also confirmed planned negotiations with Russia in Istanbul for July 23rd, focusing on prisoner and child returns, signaling a new diplomatic push.