Three teenagers in Sudbury face charges including carrying a concealed weapon after a man was robbed in the city. Two of the teens used a baton and knife to rob the man of his wallet and cell phone late afternoon Wednesday. Police later found the pair and also the driver of the getaway vehicle. Inside the vehicle was a replica assault rifle as well as the knife and baton. The trio are 17, 18 and 19-years-old and police say they knew the victim. Other charges they face are robbery using a firearm and possession of a weapon for a dangerous purpose.