A Danbury man has been arrested for the stabbing that happened in Bethel over the weekend.  22-year old Ricardo Ferraz DeOliveira Guedes was charged yesterday afternoon with assault.  The victim identified Guedes as the man who assaulted him Saturday on Midway Drive, allegedly over comments the victim made about the suspect's girlfriend.  The victim was driven to Danbury Hospital and officials there called police.  Danbury Police, in an unmarked car, spotted the suspect's vehicle and started a pursuit.  Bethel Police then also responded to the scene.