Sources: Federal Railroad Administration investigating Long Island Rail Road derailment

NEW YORK -- Sources say an investigation by the Federal Railroad Administration into the Aug. 3 Long Island Rail Road derailment in Queens is now underway.

Eight cars of a Hempstead-bound train derailed just east of Jamaica station.

• Read more: 13 treated after LIRR train derails in Queens

Thirteen passengers had minor injuries.

Generally, the Federal Railroad Administration seeks to complete accident investigations within six months.

• Read more: Crews rerail Long Island Rail Road train, repairing track after derailment in Jamaica, Queens

Under the agency's regulations, railroads must also submit their own reports on such incidents within 30 days after the month they occur.

In:
• Queens
• Long Island Rail Road