Sri Lanka, July 3 -- At least four people were killed and 14 others injured in a drive-by shooting outside a Chicago nightclub, police said.

Chicago Police said a dark-coloured car drove past the club around 23:00 local time (04:00 GMT) on Wednesday, when gunmen inside the vehicle opened fire into a crowd of people outside.

The crowd was said to be leaving the nightclub following an album release party for rapper Mello Buckzz, the BBC's US partner, CBS News reported.

Police said the vehicle fled the scene immediately and no one has been taken into custody.

The victims of the shooting were rushed to several different area hospitals. Two men, ages 24 and 25, and two women, aged 26 and 27 years old, were pronounced dead, police said.

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