Boston Police report  arresting a 17-year-old, two 15-year-olds and a 14-year-old on charges they surrounded a couple of people at Dayton and Nixon streets  around 4:10 p.m. yesterday and made off with an iPad, a wallet, a camera and various other items.
Police say the 14-year-old had the knife and that when officers attempted to arrest him after seeing the knife sticking out of his left front pocket, "a violent struggle ensued."
Alexis Bourne, 17, of Dorchester, was charged with armed assault and battery and receiving stolen goods. The three other teens were not named because of their age.
- Dorchester 
- Crime 
- Knives