About suspension of operation of some sections of municipal subway blue line (turnal operation)

At around 5:20 today, at the municipal Subway Blue Line Up Kannai and Sakuragicho, multiple stops occurred several times when passing the train, so driving was temporarily suspended on the entire line, and from 5:50 between Shonandai and Kamiooka And returned service between Yokohama and Azamino.
Currently, the cause of the malfunction is being carried out, and the train is carrying out return operations in the same section with delay. We apologize for any inconvenience this may cause. I'm sorry.

1 Date and time of occurrence
　March 3, 2022, around 5:20 (Thursday)

2 Location of occurrence
　Municipal Subway Blue Line between Kannai and Sakuragicho

3 Overview
　At 5:20, stop when the train passes between Kannai and Sakuragicho.
　　　　　 Stop driving on the entire Blue Line
　After resuming the train at 5:28, the train was run and stopped again.
　5:41 Request for transfer to another company line
　5:50 Started operation between Shonandai and Kamiooka and between Yokohama and Azamino
　Even as of 8:30

Status of the place where the electric stoppage occurred
　Insulators supporting the third rails have been damaged, and several insulators supporting the third rail have been damaged.
　(* The Blue Line supplies electricity from the third rails laid next to the rail through train pickup shoes.)