Two North Vernon residents were arrested Saturday morning on drug charges.

The North Vernon Police Department says that officers were conducting follow-up investigations at Walmart just after 10 a.m. when they began investigating a report of suspicious activity . Police say that investigation led to the arrests of David L. Howard and Angela D. Brewster on charges of Illegal Possession of Syringes, Possession of Paraphernalia and Possession of Marijuana after a police K-9 was alerted to the odor of illegal substances in their vehicle. Police say that Brewster was also wanted on an outstanding warrant.