MASTIC - An arrest has been made in the fatal stabbing of a Mastic teen.
Police say 19-year-old Michael Dennis fatally stabbed 17-year-old Trevor Bender on Mastic Road Friday night.
They say Bender was stabbed in the chest after he got into an argument with a group of acquaintances.
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It's unclear what sparked the argument.
Dennis is expected to be arraigned on manslaughter charges.