ORANGE COUNTY (CBSLA.com) — Metrolink will sustain major disruptions Wednesday on the commuter rail's Inland Empire-Orange County line.

The track was damaged after a freight train derailed Tuesday night in Anaheim near the Imperial Highway overpass, officials said.

The cause of the non-injury derailment was under investigation.

The following services have been canceled:

- OC Line 632 to Laguna Niguel/Mission Viejo. Please use train 634.

- OC Line 633 to Fullerton. Please use train 635.

- OC Line 683 to Los Angeles. Please use train 607

- IEOC Line 809 to Laguna Niguel/Mission Viejo. Please use train 811

- IEOC Line 805 to Irvine. Please use train 807.

- 91 Line 703 to Los Angeles. Please use train 705.

- IEOC Line 802 to San Bernardino.  Bus bridge will be provided.

It was unclear how long the service will be disrupted.

For real-time service updates, riders can follow @Metrolink or visit www.metrolinktrains.com.