The American police said that 4 people were killed and 14 were injured after firing at at least 3 of them in critical condition.
The shooting took place at the end of Wednesday in the area of the North District of Chicago. Several local media reported that he signed a restaurant and a hall in which the launch ceremony for the rap album was held, reports American Associated Press.
The police said that the man shot the crowd abroad, and the car immediately disappeared.
The police added that no one was detained.
Chris King, a representative of the hospital of the North -West Medici, said that the emergency department assesses the number of people in fire. He could not indicate the number of people who were taken to the hospital or their case.
