As the government's benefits changes begin to bite, Panorama gains exclusive access over six months to Brent - one of London's worst-hit boroughs - and follows the personal stories of some of the people most affected by the changes. As claimants struggle with the loss of hundreds of pounds of benefits and have to move to other parts of the UK where rents are cheaper, we follow people battling to stay in their homes and a local authority forced to ask to them to leave as their benefits are capped.