Several minutes after beating up Diamond Tiara, Applejack went back to her family's place.

granny smith: A.J. I just got a call from the cops saying that you beat up a filly.
Applejack: She made fun of Applebloom, and beat up a police officer.
granny smith: Well that doesn't mean you can beat the crap out of them.
Applejack: Yeah it does.

A few minutes after talking with granny smith, things got out of hand.

Rarity: Why am I here?
Applejack: Just keep an eye on them *floors it*
Applebloom: Applejack?! Where ya goin?
Applejack: *drives toward toll booth*
toll pony: 2 bits.
Applejack: *pays toll* Come on you friggin moron! Move! *honks horn*
russian pony123: *drives backward*
toll pony: *lays on floor*

Then every pony from every mafia appeared with tommy guns, and

Applejack: What is this?
mafia ponies: *shoot at Applejack*
Applejack: *gets out of car*
mafia ponies: *shoot Applejack*
Applejack: Aaaahhhhhhhh
mafia ponies: *continue shooting*
Applejack: *falls dead*
Japanese pony46: *shoots and kicks Applejack*

After the job was done Rarity arrived with Applebloom, and the other cutie mark crusaders. They were very sad to see their friend dead.

Meanwhile at Vanhoover

Dan: I have to go back soon.
stripper: Come on baby, I need someone to accompany me.
Dan: Look, I know you're the most sexiest mare in all of Equestria, but I really need to go.
Bartender: I got some pony on the phone looking for Dan?
Dan: That's me. *grabs phone* Hello?
Rainbow Dash: I need you back now.
Dan: Why what happened?
Rainbow Dash: Every mafia is going against us.
Dan: I'm on my way. *leaves strip club*

When Dan got back, Rainbow Dash was at Walicorn street with the other leaders of the mafia, but that will be told in another part.