Train services on the busy Yamanote Line in central Tokyo were heavily disrupted during the Friday morning rush hour after pantograph problems detected the previous night led to a suspension of operations, according to JR East.Both the inner and outer loops of the JR Yamanote Line, which circles central Tokyo with stops including Shinjuku, Shibuya and Tokyo stations, were suspended from the first scheduled services of the day. Operations resumed hours later, but the disruption continued until around noon.A total of 176 trains on the Yamanote Line and the parallel Keihin-Tohoku Line were can…READ FULL ARTICLE