There has been more serious disruption for people seeking to cross the English Channel via Calais after striking ferry workers again forced the French port to close.<br /><br /> It led to long jams on approach roads in northern France, including the A16 motorway as lorry drivers had little choice but to wait.<br /><br /> In England too thousands of vehicles have also been stuck on the M20 motorway approaching Dover.<br /><br /> However the Channel Tunnel has remained open on Wednesday, unlike the previous day when it was blocked for three hours.<br /><br /> Drivers have been advised to defer their journeys and seek alternative routes.<br /><br /> Calais Port closed due to Industrial Action out of our control Currently no ships movements in Port….. .1/2..— P&O Ferries Updates (@POferriesupdate) July 1, 2015<br /><br /> The workers from MyFerryLink are trying to prevent job cuts after the firm was sold to a Danish group – and a serious escalation of the dispute is now threatened.<br /><br /> “We will block motorways approaching the tunnel for 48 hours by
