Saint John police are looking for witnesses, video footage and information after shots were fired into a building.
At around 8:30 p.m. Friday, police responded the 100-block of Guilford Street.
There were several occupants inside the building but no one was hurt. A window was damaged during the incident.
Police stopped a suspect vehicle within minutes on Guilford Street near Ludlow Street and the occupants were arrested.
Officers found they were in possession of two pellet guns, a loaded shotgun, ammunition, and a controlled substance believed to be crystal methamphetamine.
Two men, ages 25 and 48, a 43-year-old woman, and a 17-year-old youth were arrested on weapon, drug, and mischief related offenses.
All were released from custody on undertakings with conditions including to return to court at a later date.
Police do not believe that this was a random act of violence.
The Major Crime Unit continues to investigate.
Anyone with information is asked to contact the Saint John Police Force at 506-648-3333 or Crime Stoppers at 1-800-222-8477.