Brawl Ends Da Brat's B-Day Bash

A brawl abruptly ended a

birthday party for Chicago rapper Da Brat early Sunday morning (April 10) after

uninvited guests attempted to enter the party at the Harold Washington Cultural


At around 1:30 a.m., two men allegedly shoved past security guards at the venue,

Chicago police spokeswoman JoAnn Taylor told South Florida's Sun Sentinel.

After the men started shouting,

a fistfight erupted between the two men and the security guards, according to


As party-goers joined in

on the fight, one person allegedly struck a security guard in the head with

a handgun, police said.

Four men were arrested and

charged in connection to the fight.

More than 100 people, including

Twista and actress Lisa-Raye attended the party, which was the second celebrating

Da Brat's 31st birthday.

The first was a private

reception at Pressure Point recording studio.