The victim is a 70-year-old man who was struck by a pickup truck this morning in Merrick.
Police say 30-year-old Joshua Alvarado fell asleep at the wheel of his vehicle while stopped at a light.
They believe another driver woke him up by honking, at which point Alvarado's car jumped the sidewalk and hit the crossing guard.
Alvarado faces several charges, including driving while impaired and vehicular assault.
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