Claim: "Antifa" admitted to pouring concrete on train tracks causing an Amtrak train to derail.
Fact-check: FACT CHECK: Did 'Antifa' Pour Concrete on Railroad Tracks, Causing an Amtrak Train to Derail?
Verdict: Mixture
Organisation: Snopes
Author: Bethania Palma
Date published: 2017-12-19T09:19:13