CLEVELAND: The Cleveland Metropolitan School district and the union representing teachers in one of Ohioís largest districts have reached a tentative contract agreement that avoids a strike planned for this week.

The two sides said Tuesday that they reached the tentative agreement after a 21-hour bargaining session.

The school board and the Cleveland Teachers Union membership must approve the contract before it can become official. The two sides havenít announced a schedule for voting. Terms of the deal werenít released.

The union had planned to go on strike at 6 p.m. Thursday if a tentative agreement hadnít been reached. School district and union negotiators have been working with a federal mediator.

Neither side had provided details on the issues that were in dispute.