MANHATTAN, N.Y. (PIX11) -- This Sunday marks International Overdose Awareness Day, but across the city, families, advocates, and recovery groups gathered Friday to honor lives lost and learn how to save others.

At Washington Square Park, the everyday scene of students, tourists, and dog walkers is mixed with something far more troubling.

“I’ve seen every day there is somebody overdosing. There are ambulances overnight, and there are needles all over,” said Brittany Spring, who has lived in Greenwich Village for the past decade and works as a dog walker. “Dogs are stepping on needles.”

Spring says overdoses have become an almost daily sight in the park. “There is a lot of drug activity, and it’s sad, unfortunately, to see a lot of these lost souls,” she said.

That’s why groups like Alli

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