A huge fire in Chelsea, Massachusetts has forced the city to close all four of the elementary schools there Monday. Flames broke out at an old mill on Forbes Street just after midnight. Firefighters shut down the entire area around the Chelsea Creek for hours while they brought the fire under control.

By Sunday night, district officials and union representatives in all three communities remained divided on key issues, including paid parental leave and wages for teachers and teaching assistants.

School is closed Monday in three Massachusetts communities on the North Shore as the teacher strike begins its second week. WBZ-TV's Samantha Chaney reports.

School is closed Monday in three Massachusetts communities on the North Shore as the teacher strike begins its second week.