Attleboro Deputy Police Chief Tim Cook said 30-year-old Lavell Poston was arrested at his home in East Greenwich Thursday by Rhode Island State Police. Police previously said the robbery, which took place at N&R Wholesale on Mann Street, involved six masked suspects.

Police arrested four minors for an alleged robbery that occurred in Brentwood over the weekend, officials said. Officials said the victim was also a fellow minor.

Four juveniles were arrested after allegedly hitting a victim and threatening him with a gun during a robbery in Brentwood Saturday night, according to the Brentwood Police Department. An officer was flagged down by security at around 7:45 p.