"Depending on who they are and who they think we are, it's really - not easy to tell. I think we're best avoiding everyone until I can recognize a friendly." With a slant of his chin, he indicates their next available cover, the slightly smoking skeleton of what had probably once been a house at some point, now bereft. Some thin walls still cling to their structure, upright enough to shield them for a few seconds.

"If you see anyone, if anyone sees you - don't answer, just run," Daniel warns. "Come on." After a rapid sweep of the horizon, he darts from one temporary shelter to the next.