Nurses at seven Providence hospitals in Oregon overwhelmingly voted down proposed labor contracts Thursday, their union said, opting to continue a strike now in its fifth week.

Providence and dozens of doctors at a hospital in Portland, Oregon, have reached a tentative agreement after 27 days of strike

An apparent breakthrough in the nearly month-long strike at Providence hospitals was reached Tuesday night as both Providence officials and the Oregon Nurses Association announced a tentative deal at all eight locations affected.