Four dead and 15 injured in three shootings over Halloween in Dallas, Texas

DALLAS (NBC, KYMA) - A series of shootings in Dallas, Texas Saturday night left four people dead and over a dozen others injured.

Police say three separate shootings happened in the city's deep Ellum neighborhood.

It's unclear what led to the shootings and police are investigating if they are connected.

At least 15 people were injured but police say that number could change as some victims self-transported to the hospital.

An unknown number of arrests have been made and interviews are ongoing.

Police did not provide additional information on a possible suspect or suspects.