Narva is Estonia’s third-largest city, located on the Narva River at the Russia border. Population ~52,500 (2025).
Estonian authorities have detained eight people after an attempted arson and explosion at Threod Systems in Viimsi on Saturday morning. Officials have said evidence links the attack to Russia’s GRU and have announced a full closure of Estonian‑Russian border crossings from 1 December; no injuries or damage were reported.