Poland plans to spend around 450 million zlotys ($120 million) on building a high-tech electronic surveillance barrier along its border with Ukraine, Polish media reported . The system, to be installed on a section overseen by the Nadbużański Border Guard unit, is designed to boost national security and prevent illegal crossings. A contractor has not yet been selected. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . The project will include underground seismic