Three Suffolk County teens were arrested after allegedly assaulting a 60-year-old man earlier this week. According to police, one teen approached the victim while he was walking along Deer Park Avenue at around 12:55 p.m on May 4. Police said the suspect then punched the victim in the face, causing the man to fall to the ground, unconscious. The suspect then fled the scene with two other teens who were in a car nearby. The victim was left on the side of the road.