Ukraine crisis: Steelworkers patrol in Mariupol
16 May 2014 Last updated at 22:56 BST
Steelworkers and miners in the eastern Ukrainian city of Mariupol have been clearing barricades set up by pro-Russian insurgents at government buildings.
The group are reported to be working with some members of the Ukrainian police, and appear to have re-established control.
From Mariupol, the BBC's Mark Lowen reports.