What caused the Lahaina inferno? An overgrown gully could hold the answers

Small parcel of land beneath a Hawaiin Electric Co power line could be the site where the devastating fire reignited

Melted remains of an old car tire. Two burned trees. A stump of an abandoned utility pole.

These are among the pieces of evidence investigators are examining as they seek to solve the mystery of last month's Maui wildfire: how did a small fire sparked by downed power lines and declared extinguished flare up again hours later into a devastating inferno?