THREE people have been killed and 16 injured following a mass shooting outside a Chicago nightclub.

Shots rang out after revelers went to an album release party for the local artist Mello Buckzz on Wednesday night.

Cops revealed 19 people were shot at in what they are probing as a drive-by attack, as per the CBS affiliate WBBM-TV.

The conditions of the injured victims remain unknown.

It’s not known how many people were taken to the hospital.

Police have not revealed any information about the victims who were killed.

Pictures from the scene show an area sealed off and cops standing by.

So far this year, the US has seen 195 mass shootings, according to the Gun Violence Archive.

A mass shooting is an incident where at least four people have been injured or killed.

The deadliest shooting of the year was in St. Louis, Missouri, when four people were killed.

A murder probe was launched when four people were found dead inside an apartment building.

Three of the victims were named as Ashley Cardwell, 34, Justin Wells, 33, and Wendell Simmons, 67.

Cops also discovered several guns and narcotics inside the property, as reported by the Fox affiliate KTVI-TV.

In the immediate aftermath, cops issued an urgent appeal in a bid for witnesses.