My bf is really aggesive & has serious anger issues please help what shud i do?

oomg... this guy is a tripp. last night at union station i was crying because he hurt my feelings. & then acts like he dsnt care . soo we were talking a little, hes beinng very LLOUD & soo i say bye & walk away, then he pulls me by my sweat shirt & i almost fall, & hes grabbing me really hardd, & thenn he pokes me reaaally haard in my chest when he wass sayin "you" , & then security came & he shoots from 0-60 in likee litterallyy 1 min. im sooo huurtt., hes embarrasing. he tells me mean & hurtful thhings.. he aaalways rasies his voice, & he pushes me arounnd, weve been together 7 months but i known him 5 yrs hess literally likee my dream guyy except tht hess sooooo daamnn craazyy with suuch a harri ble timper, he cann not control his self, what shud i doo?