Hamilton police have charged four more people in connection with a hotel robbery earlier this month.
Two men and two women face various charges after a 25-year-old Burlington man was robbed after meeting a woman through an online dating service.
Police say the victim was confined in the hotel room in Hamilton on February 12th and given a noxious substance.
The suspects, three of whom are from Kitchener, stole the victim's wallet, cell phone and vehicle.
A fifth suspect, a woman from Hamilton, was charged on Wednesday.
Police are advising citizens to be cautious when engaging in online encounters with strangers.