BAY SHORE - Police say they have arrested the man who ran down a Suffolk County teen and left him in a Bay Shore street. 

The incident happened on Fifth Avenue and Howells Road around 6 p.m. yesterday. 

According to police, Alfred Buckman, 51, from Islip Terrace, hit 18-year-old James Vaughan while he was walking and then sped away. 

Vaughan was hospitalized with a serious head injury and several broken bones.

Buckman was found shortly after. He is being held on $25,000 bail.