NEW : 56 branches or offices of 21 banks are closed last week in Kowloon . And I 've said it before 37 people injured and 37 people arrested since protests started , officials say . Protesters pack streets wearing masks and protective goggles . `` We had to use force '' on protesters , a police official says .
NEW : 56 branches or offices of 21 banks are closed last week in Kowloon . 37 people injured and 37 people arrested since protests started , officials say . Protesters pack streets wearing masks and protective goggles . `` We had to use force '' on protesters , a police official says .