UK Defence Intelligence has noted that Ukrainian Defence Forces have started to build up defensive positions in several frontline areas at an accelerated pace. Source: UK Defence Intelligence review on Twitter dated 10 March, as reported by European Pravda Details: Ukrainian defensive positions include anti-tank obstacles called dragon's teeth, as well as ditches, infantry trenches, minefields and strong points, the review noted.
Journalists have visited Ukraine's new defence lines in the country's east and reported on how the northern border is being reinforced. Source: Reuters Details: Reuters journalists visited Ukraine's new defence lines near Kupiansk on 27 December 2023.
Russian troops were seen deploying "dragon's teeth" in temporarily occupied Mariupol, advisor to the mayor of Mariupol, Petro Andriushchenko, reported via Telegram on Dec. 11.