After the fire in the Warsaw Metro: the problem of cables in 1 tunnel

The beginning of July in Warsaw brought an unpleasant surprise to the inhabitants of the metropolis. As described in Cyber Defence24, [about 1:00 p.m. in an energy substation](https://cyberdefence24.pl/armia-i-service/pozar-in-warszawski-meter-fired-lighted-sparalizowaly-communications) a fire broke out at Racławcka Metro Station.