Polish transport companies have resumed their blockade of the Yahodyn-Dorohusk crossing at the border with Ukraine, which was cancelled a week ago. On the Polish side of the border, 1,800 trucks are currently jammed in a 48-kilometre-long queue, a local police spokeswoman told the PAP news agency on Monday. According to the lorry drivers, vehicles carrying humanitarian aid and perishable goods are allowed through once an hour. The blockade of the Yahodyn-Dorohusk border checkpoint was initially lifted on December 11 following an intervention by the head of the Polish regional administration. H…