A group of teenagers is accused of being behind a string of street robberies. Four boys aged 15 and 16 were arrested by police on Tuesday and are facing charges in relation to four robberies in the previous week. The first happened on the corner of Dominion Rd and Halesowen Ave. The victim reported being kicked and punched and having his cellphone stolen. In another incident a man was approached in his car near the Balmoral McDonald’s and had his cellphone and laptop stolen.