The Supreme Court of Canada is set to announce Thursday morning whether it will hear a challenge of Quebec's controversial secularism law, known as Bill 21.

Canada’s highest court will decide whether a law that Quebec enacted in 2019, barring public-sector workers from wearing religious symbols, violates their rights.

The Supreme Court of Canada's decision to hear a challenge of Quebec's secularism law sets up a final legal battle between the provincial government and minority and civil rights groups — and possibly a showdown between Quebec and Ottawa.