In the metropolitan subway there was a serious failure. Because of him, the Serpukhov-Timiryazev line was completely paralyzed. The incident happened in the tunnel between the stations "Otradnoye" and "Vladykino", the telegram-channel Mash reports. Broken special connectors, so the automatic system does not allow the train. It all happened in the morning rush hour. People crowded on the platform platforms waiting for trains. Many were late for work. A little later, the branch was launched, but the interval was increased to 4 minutes, which did not completely relieve the stations. At the same time, the press service of the Moscow Metro about the reasons for what happened did not say.