WEST MIFFLIN, Pa. -- A new water main break occurred Thursday evening in the Munhall and West Mifflin areas.

West Mifflin Area Schools canceled classes for Friday.

The break is the sixth to occur in the area since Sunday.

Neighbors told Channel 11 they are frustrated and don't think enough is being done.

County leaders held a press conference to discuss the breaks and said they want to launch an investigation into the problem.