However, the completion of the stations was hampered by the lack of funds and ongoing controversy over the placement of station's exit.

Significant ongoing controversy has been generated by the case.

This brought on a large ongoing controversy and finally prompted a virologist colleague of theirs to inject embryonated eggs with mumps virus.

This evolution of the definition has been a subject of ongoing controversy, and the term continues to apply to both the narrower and broader scope.

Voting machine vendors, election officials and prominent computer scientists agreed to try to end ongoing controversy over electronic voting by attempting to draft uniform standards.