俄罗斯深夜突发两起桥梁坍塌事故，疑遭蓄意炸毁！

Group 1 - Two bridge collapses occurred in regions bordering Russia and Ukraine, resulting in 7 deaths and dozens of injuries, with Russian officials accusing intentional bombing [1] - The first collapse happened in Bryansk region, causing a train derailment, while the second occurred in Kursk region as a freight train was passing [1] - The Russian Investigative Committee linked both incidents, stating that both bridges were "blown up" [2] Group 2 - Initial reports from Moscow Railway Bureau suggested "illegal interference" caused the Bryansk collapse, but this information was later deleted [3] - Local governors described the Bryansk explosion as "inhumane terror against civilians," but did not directly blame Ukraine for the attacks [3][4] - Ukraine's military intelligence reported an explosion that derailed a Russian military train in occupied Zaporizhzhia, but did not claim responsibility [4]