(Attleboro, MA)--Two people are dead and nine others who were in a van were seriously injured in a rollover accident on I-95 in Attleboro, Massachusetts on Saturday morning.Massachusetts State Police reports indicate the van was operating as part of a tour group which caters to the Polish-American community and was believed to have picked up passengers in Philadelphia, several cities in New Jersey and New York City, with various destinations in Massachusetts.Police say the occupants of the van were ejected and transported to Rhode Island Hospital, and two of them died.The driver of the other vehicle involved in the crash, a 32-year-old East Providence woman, was also hospitalized for minor injuries, according to Mass State Police, who are investigating.