MORRISTOWN, N.J. (CBSNewYork/AP) — A northern New Jersey man who authorities say was driving drunk when he caused an accident that killed three relatives last summer has pleaded not guilty to several charges stemming from the crash.

Luis Torres entered his pleas Wednesday during a brief court appearance in Morris County. He remains free on $750,000 bail.

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Torres is charged with aggravated manslaughter, vehicular homicide, assault by auto and drunken driving.

Prosecutors say the 37-year-old Torres was driving home from a birthday-party barbecue when his sport utility vehicle overturned on Route 15 in Jefferson Township last August.

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Killed in the crash were Torres’ mother-in-law, his 11-year-old stepdaughter and a niece who was five months pregnant. Six other people were injured but have since recovered.

(TM and © Copyright 2014 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2014 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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