Lambton OPP have laid more charges in connection with the robbery at Super Choice Gas Bar in Brigden earlier this month.
Three men entered the store, one threatened the clerk with a weapon while two others took goods from the variety store.
Officers from the OPP’s crime unit, emergency response team, the canine unit and the street crimes unit as well as the Walpole Island Police service searched a home on the island and arrested five people.
Kyle Nahdee, 34, has been charged with two counts of possession of a narcotic and failing to comply with a court order.
Alana Henry, 24, Edwin Wright, 36, Jenelle Kewayosh, 39, all of Walpole Island and 32 year-old Christopher Kiyoshk of Wallaceburg has been charged with two counts of possession of narcotics and possession of property obtained by crime.
Police had earlier charged David Nahdee in connection with the Brigden robbery.