Waterloo Regional Police say a teen has been arrested after a gun and drugs were found in a bag on a Grand River Transit bus near Conestoga Mall in Waterloo last week.
The bag was found unattended in a bus outside of the mall on Wednesday night at around 11:40 p.m., according to police.
They say after officers investigated, they arrested a teen from Cambridge on Friday.
The teen is facing more than a dozen weapon and drug charges as well as one for Possession of counterfeit money.
In all, police say officers seized suspected cocaine and other drugs, money, a loaded firearm and ammunition during their investigation.