Four reported injured at possible explosion, fire at ExxonMobil plant in Texas

A reported explosion inside an ExxonMobil plant in Texas early Thursday morning has injured at least four people.

The incident occurred at about 1 a.m. local time at a plant in Baytown, about 25 miles from Houston.

Three of the victims were taken to a hospital by helicopter, according to CNN. 

Harris County Sheriff Ed Gonzalez tweeted that another person was taken away by ambulance and no evacuation has been ordered.

ExxonMobil say acknowledged a fire occurred at the facility.