It was a reported al-Qaida threat that prompted a security alert for the petro-chemical plants that dot the Texas Gulf Coast.
The FBI and a group that represents the plants say an unconfirmed threat indicated al-Qaida wants to blow up Texas oil refineries and pipelines between now and the presidential election.
Some of the biggest plants in the area say they're beefing up security in response to an FBI warning.
An FBI spokesman in Houston tells The Baytown Sun that the threat came from a single source, but he won't give details.
But an FBI spokesman in Washington says that the information on Texas is in line with the thousands of other alerts the FBI has sent to state and local authorities over the past year.