Recent incidents involving underground electrical vaults have resulted in flames and concrete being sent into the street. These events have occurred in the Los Angeles area. An engineer suggests that age and heat may be contributing factors to the explosions.

Two such incidents have taken place in recent weeks, causing disruption. The exact circumstances surrounding the events are not fully detailed here, but further information can be found through the source.

The incidents have raised concerns, with possible causes being considered by experts. For more details on the underground electrical vault explosions, readers can refer to the original report.