Crisis at the Eurotunnel

Migrants gather in Frethun, France, near the port town of Calais, hoping to climb aboard a train through the Eurotunnel to Britain.

Migrants step over a fence to escape railway police officers, in Calais, France.

Migrants run on the railway in Calais, France, as they attempt to access the Eurotunnel to Britain.

Migrants walk along railway tracks at the Eurotunnel terminal in Calais-Frethun. About 37,000 have tried to cross to Britain this year

Migrants speak with a truck driver stopped in traffic on the route to the Eurotunnel in Coquelles, France.

Migrants walk alongside vehicles on the route leading to the Eurotunnel in Coquelles, France.

Migrants build a makeshift shelter at a site dubbed the “new jungle,” where migrants trying to cross the Channel to reach Britain have camped out around the northern French port of Calais.

Migrants wash at a standpipe outside a makeshift church constructed at a site dubbed the “new jungle,” where migrants trying to cross the Channel to reach Britain have camped out around Calais, France.

An Afghan flag flies above makeshift shelters at a camp site near Calais, France, for migrants trying to cross the Channel to reach Britain.