Answers your question.

- An attempt to illegally purchase alcohol is made

- During the attempt, it became apparent the guy was concealing two other bottles of wine inside his jacket.

- The clerk remarked something to the extent of calling the police and pulls out his phone to take a picture.

- Underage guy slaps phone out of clerk's hand, hitting clerk in the process, and runs out the store.

- Clerk tries to detain the guy when two of the guy's friends show up and join in on beating the clerk until the police show up.