A RO-BVG Class F was used in Line U9 and it moved to Line U6 since 2009, taken in 2003 before hijacking
On March 2009, 2 train were hijacked by TNT (TEAM NYAMI TERRORISTS, not the explosive) and set a fire and used machete to kill drivers and hijack the train. Some U2, U5 trains were also hijacked by TNT. The 2003 Amazeman City Subway Fire was the latest similar disaster prior to this.
During Hijacking
When Team Nyami Terrorists hijacked two Ro-Berlin S-Bahn trains, then they hijacked the trains of U Bahn of lines U2, U3, U6 and U5 and other RO-BVG customers also reported a person who hijacked the U Bahn.
After Hijacking
Coeptus and Harry Gordon survived the train by using the emergency door. However, two were injured and rushed to various hospitals in Ro-Berlin.