Mayotte unrest: French island residents round up 'foreigners' per BBC News

'About 70% of the 10,000 babies born every year in the island's only maternity hospital in the main town of Mamoudzou are born to illegal migrants, mainly from the Comoran islands, according to official statistics.'

70% of babies born to illegal migrants, how long before London reaches that figure?

BBC report here http://www.bbc.com/news/world-africa-43443716