 On 19 June 1998, when the Senate of Puerto Rico approved the sale, 6,400 PRTC workers went on strike.The action was coordinated by the 2,000-member Independent Brotherhood of Telephone Workers and the 4,400-member Independent Telephone Workers Union.1,400 management employees reported for work (some of them arriving by helicopter on the roof), and some employees crossed picket lines carrying food and pillows for an extended stay inside.