4 salinas teenagers were robbed and 1 was assaulted saturday night. according to police the teens were bike riding on 1st avenue when a car pilled up to them near alma street. 4 SUSPECTS jumped out of the vehicle and began assaulting the youths and then robbed them of their bicycles. police located the suspect vehicle with 5 suspects still in possession of the stolen bicycles. 4 juveniles and 18 year old christian luna were arrested on assault and robbery charges, the juveniles were taken to juvenile hall, luna was booked into monterey county jail.