The FBI says a U.S. air marshal was attacked with a syringe at a Nigerian airport.
FBI spokesman Christos Sinos said Tuesday that preliminary tests show the syringe did not contain any deadly pathogens. It's not known what was in the syringe, but Sinos says the tests are "negative for any bad stuff."
The air marshal was attacked Sunday at the airport in Lagos, Nigeria, a country dealing with an Ebola outbreak.
The unidentified air mashal was taken to a hospital after landing at Houston's Bush Intercontinental Airport early Monday.
The Centers for Disease Control and Prevention conducted an on-scene screening of the air marshal when the plane landed.
The FBI says none of the testing "has indicated a danger to other passengers."
Sinos says no arrests have been made.