Ukrainian forces launched a large-scale missile and drone attack on multiple Russian regions overnight on May 5. Photos and videos posted to social media by local residents purport to show a large fire emanating from JSC VNIIR-Progress in Cheboksary, Chuvash Republic, a Russian state institute that produces components for high-precision weapons used by Moscow to attack Ukraine. Videos: ASTRA/Telegram; Volodymyr Zelensky/Telegram