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GRETNA, La. -- Jefferson Parish deputies are investigating a double homicide Monday night in unincorporated Gretna.

It happened in the 900 block of E Monterey Court at about 7 p.m.

According to deputies, two brothers -- 21-year-old Marrero resident Jonas Perrier and 26-year-old Harvey resident Ronald Perrier -- were killed at that location.

Sheriff Newell Normand said a 'substantial'amount of spent shell casings were found in the area.

No word on a possible suspect or motive.

If you know anything that can help investigators, call Crimestoppers at 822-1111.

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