A proposal for Chicago Public Schools to resume in-person classes Wednesday has been approved by the Chicago Teachers Union’s House of Delegates following a contentious weeklong standoff.

The delegates also voted Monday night to suspend the union’s work action that saw teachers refuse to give their lessons in person, prompting the cancellation of the last four school days. There will be no Tuesday classes though teachers will report to schools for planning.

Chicago Public Schools could resume in-person classes this week after Chicago Teachers Union leaders agreed to a new set of COVID-19 protocols. Chicago Mayor Lori Lightfoot announced Monday that teachers would return to campuses on Tuesday with in-person instruction restarting Wednesday.

The agreement still needs to be approved by the full union, but the Chicago Teachers Union House of Delegates voted to suspend the online learning plan they launched last week as rank-and-file membership votes. The tentative agreement comes after four days of canceled classes.

Classes are set to resume Wednesday at Chicago schools as leaders of the city’s teachers union on Monday night approved a plan with the district over COVID-19 protections.

The two sides had been locked in a bitter fight that canceled classes for four days in the nation’s third-largest district.

Details weren’t immediately disclosed on the deal, which still requires approval from the union’s full 25,000 members.