When the Poles were displaced at the end of WW2, a camp was set up in Herefordshire - a huge site with prefabs where they lived for many years and slowly integrated into the general community over the next few decades. It worked very smoothly - I am not sure whether this idea could be resurrected. But there is always the NIMBY factor to consider.
49,000 migrants invade Spanish enclave in 24 hours
Today the High Court has agreed that children can be given puberty blockers.
The Devil In The Family: The Fall of Ruby Franke - BBC IPlayer




