"The biggest opportunity in 2013 is in Africa. It has seven out of the ten fastest-growing economies in the world. In Nigeria alone there are 100 million people with mobile phones. In total, 300 million Africans - five times the population of Britain - are in the middle class."

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Starting with the highest-risk countries, and focusing on the route to Britain that is widely abused, student visas, we will increase the number of interviews to considerably more than 100,000, starting next financial year. From there, we will extend the interviewing programme further across all routes to Britain, wherever the evidence takes us.

— Theresa May