Richard Bilton meets families forced out by private landlords and asks whether the government's increasing reliance on the private rental sector is placing the vulnerable at risk.

The number of people made homeless by private landlords has tripled in the last five years. It's now the single biggest cause of homelessness in England. Reporter Richard Bilton meets the homeless families forced out by private landlords and asks whether the government's increasing reliance on the private rental sector is placing the vulnerable at risk.