Metrolink services between Riverside and Orange counties will be delayed Wednesday because of a freight train derailment in Yorba Linda.
The derailment occurred around 6.20 p.m. Tuesday near the 19600 block of Esperanza Road.
A BNSF supervisor suggested a section of track may have given way beneath the freight train, a news videographer reported from the scene.
Four fully laden rail cars came off the tracks but remained upright, the videographer reported.
A Metrolink statement said service on the Inland Empire-Orange County Line and the 91 Line between Riverside and Orange County would be disrupted throughout this morning.