(Barrington, RI) -- Barrington Police are investigating the deaths of two elderly sisters. Rescue personnel found 97-year-old Martha Williams of East Providence was found in the driveway of her twin sister Jean Haley's home at 21 Opechee Drive around 8:15 Saturday morning. Haley was found in her garage and both were taken to Rhode Island Hospital where they were pronounced dead. It's believed that the sisters died from the overnight extreme cold temperatures.