That has further increased demand for seats, sending the price of black-market tickets as high as 600 euros (?400), more than 10 times their face value. Hundreds of Portuguese queued for up to 48 hours to buy 500 extra tickets from the Portuguese football federation yesterday. "The police have been tight on black market dealers, but if there are any the English will probably buy more tickets," said Joao Tavares, a sports journalist at Portuguese daily Correio da Manha.