By Tiffany Williams –

LAWRENCE, Mass. — A frantic early-morning call about a man with a gun triggered a rapid police response and a sweeping investigation that ended with four arrests and multiple firearms recovered inside a troubled residence.
It was approximately 12:31 a.m. Tuesday, March 10 when police in Lawrence were dispatched to the Oxford Street area after a woman reported her boyfriend had a gun and that she had locked herself in a bedroom.
Officers rushed to the home and made contact at the residence — a location authorities say is already known to police for prior issues.
Police entered the home and conducted a protective sweep.
Inside, officers secured six individuals and discovered ammunition in the residence, immediately raising alarms about what investigators could be dealing with inside the house.
Detectives pushed forward with the investigation, and the situation quickly escalated.
Four people were placed under arrest as investigators secured the residence while waiting for a search warrant.
Once that warrant was executed, officers uncovered multiple weapons inside the home.
Investigators recovered a 9mm handgun, a .22 caliber handgun, two boxes of 9mm ammunition and a BB gun.
Authorities say all four individuals now face multiple firearms and ammunition-related charges.
Police also revealed that one of the people arrested had an active warrant at the time of the incident.
What began as a desperate call from a woman barricaded in a bedroom quickly turned into a full-scale police investigation — one that ended with multiple arrests, guns seized and detectives working to untangle exactly what was happening inside that Oxford Street home in the middle of the night.