ITV News' Dan Rivers films with Ukrainian territorial forces as they carry out a desperate mission to evacuate civilians from the town of Lyman, which is under heavy bombardment. <br /> <br />Russian forces have surrounded the town, which sits at the heart of the battle for the Donbas region. Report by Buseld. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
