CNN's Samson Desta, John Raedler, Yousuf Basil and Neda Farshbaf contributed to this report.

CNN: Iran claims released footage is from downed U.S. drone

CNN's Deborah Feyerick, Drew Griffin, Joneil Adriano, Samson Desta, Reza Sayah, Jim Kavanagh and the CNN Wire Staff contributed to this report.

CNN: STORY HIGHLIGHTS

CNN's Craig Bell, Deborah Feyerick, Samson Desta, Tim Lister, Jeanne Meserve, Susan Candiotti, Reza Sayah, Caroline Faraj, David Fitzpatrick, Drew Griffin, Carol Cratty and Frances Townsend contributed to this report.

CNN: By the CNN Wire Staff

Desta Hall, a youth worker at the Lighthouse Centre in Birmingham's Newtown, was one of the first people to take part in the project after meeting a teenager who broke a window at the centre.

BBC: Birmingham criminal meeting pilot 'a success'