A combination of factors has led to significant disruptions in service. A substation fire, along with aging infrastructure and heat-induced glitches, are contributing to the issues. These problems have resulted in days of delays, causing inconvenience for commuters.

The heat is also causing malfunctions, with reports of hallucinating trains, although the exact nature of this issue is not specified. Further details on the situation and the measures being taken to address it are available from the source.

The cause of the substation fire and the extent of the damage to the infrastructure are not provided, but it is clear that the combination of these factors has led to a difficult period for commuters.