"The UK government will pay for the construction under a deal agreed in March that also includes an existing security fence around the entrance to the port and Channel Tunnel."
"The estimated $4 million project is one of a spate of new walls to be thrown up around Europe as the continent struggles with an influx of new arrivals.
Norway will build a fence along its arctic border, while Hungary has constructed a fence along the border with Serbia and Austria topped with razor wire. Germany and Austria also closed their borders temporarily last European summer in an attempt to stem the flow of people coming into the country."