The explosion at the oil refinery comes after the national average of gas jumped from $2.95. a gallon to $3.97 a gallon in just a month.

A large explosion at Valero refinery in Port Arthur, Texas, prompts shelter-in-place order for nearby residents, no injuries reported.

The explosion comes amid a spike in gas prices driven by uncertainty over the global oil supply because of Donald Trump's Iran war.

The explosion at the oil refinery comes after the national average of gas jumped from $2.95. a gallon to $3.97 a gallon in just a month.

An explosion at Valero's Port Arthur refinery caused a temporary shutdown but resulted in no reported injuries.