More than 150 part-time faculty at Halifax’s Mount Saint Vincent University have gone on strike.

It’s the second time this semester that classes have been disrupted by a labour conflict at a Halifax university — faculty at Dalhousie University returned to classes in mid-September after a nearly one-month lockout.

Instructors and teaching assistants at Mount Saint Vincent walked off the job at 12:01 p.m. local time, following failed negotiations with the university.

The union says its members will stop all teaching, assigning, and grading.

Staff say they are striking for higher wages and improved job security, health benefits and pensions.

University officials say they are commited to resuming negotiations and working collaboratively with the union.

“We’re disappointed that (the uni

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