Workers at several northern German seaports on Monday ramped up the pressure on employers with a further strike as they entered a third round of talks over pay. In Hamburg alone, the industrial action largely paralysed port and container handling from 5 am on Monday (0300 GMT), according to the trade union Verdi. “The port of Hamburg is at a standstill,” said a union spokesman. The same applied to the ports of Brake and Emden in the state of Lower Saxony, as well as the ports of Bremen and Bremerhaven. Ships would not be handled at the large container terminals, the spokesman said. According t…