Six people were shot early Sunday – one fatally – during a house party in Lawrence, Essex County District Attorney Paul F. Tucker announced.

The Lawrence Police Department responded to a disturbance call at 5 Royal Street, Apt. 3, about 3 a.m., where they found the gunshot victims.

All six were taken to Lawrence General Hospital, where one was pronounced deceased. The victim’s name is being withheld pending notification of next of kin.

Two of the other victims were flown by medical helicopter to Boston hospitals for additional treatment.

The shootings are being investigated by the Essex County District Attorney’s Office State Police Detective Unit and detectives from the Lawrence Police Department.

Based on the initial investigation, the shootings are not believed to be a random act of violence.