NEW YORK (CBSNewYork) — A security guard at the World Trade Center site has been charged for allegedly stabbing a man in Lower Manhattan.

Police said an altercation between the two men started inside a McDonald’s on Monday morning, but it escalated into a fist fight outside.

Saul Puente, 55, then allegedly took out a knife and stabbed the 20-year-old man in the chest and slashed his face.

The man’s injuries were described as non-life threatening.