Three South Bend residents were arrested this week on suspicion of possessing and dealing cocaine, police said. A 35-year-old woman was arrested Tuesday after police found 90 grams of suspected powder and cocaine in a residence in the 1200 block of East LaSalle Avenue, according to a press release. Police also found a digital weigh scale, narcotics packaging material, and more than $6,000. On Thursday, police found suspected cocaine, marijuana and a .38 caliber revolver in a residence in the 1200 block of East Miner Street, police said. They arrested a 21-year-old man and a 28-year-old woman, who live at the Miner Street address. Officers from the Metro Special Operations Section, the South Bend SWAT team and South Bend Neighbor-hood Enforcement Service Team assisted, according to police.