19.The news came shortly after Ukraine allegedly struck the third and final stationary bridge over the river in the Glushkovsky district, threatening to cut off Russian supply lines in the area amid Kyiv's ongoing incursion.Citing images recorded by NASA satellites, RFE/RL said that the pontoon bridge built by the Russian military between Zvannoe and Glushkovo – the two settlements that hosted two of the targeted fixed bridges – is no longer visible as of Aug. 19.1/3 Курська область: понтонна переправа російських військових через річку Сейм зникла - поруч видно дим. pic.twitter.com/uuTea8HMPj— Радіо Свобода (@radiosvoboda) August 20, 2024 The footage also recorded smoke rising 500 meters away from the pontoon crossing's previous spot, "presumably from an explosion," RFE/RL wrote.Russian forces began setting up pontoon crossings across the Seim River in the wake of Ukrainian attacks against the stationary bridges.