The Daily Free Press reports [2] the ten were all students at local institutions of higher learning, what with increased patrols in the area, especially in the GAP (Gardner, Ashford and Pratt streets).
Links:
[1] http://www.universalhub.com/users/adamg
[2] http://dailyfreepress.com/2013/01/22/bpd-arrest-10-in-expanded-weekend-drinking-patrols/
[3] http://www.universalhub.com/allston
[4] http://www.universalhub.com/crime
[5] http://www.universalhub.com/taxonomy/term/249