Boston December 13, 2023 7:12 am FBI warns of increased risk of violence this holiday season The FBI and Homeland Security warmed on Tuesday of an increased threat for violence in large crowds and religious gatherings. US & World Videos 2:22 Boston hotel workers continue to strike 0:21 Boater rescued from rough waters off Cape Cod 2:58 Tensions run high at Canton police audit meeting 2:48 Questions surround death of Enrique Delgado-Garcia 2:55 Inside internal affairs report on Mass. State Police supervisor