vagner has faced american sanctions since 2017. 50,000 fighters in ukraine, most of them convicts. our north america correspondent, peter bowes, joins us now. what exactly is the work in a group? what exactly is the work in a arou - ? , , what exactly is the work in a i rou . ? , , ., what exactly is the work in a u-rou? , ., ,., group? this is a huge group of mercenaries _ group? this is a huge group of mercenaries and _ group? this is a huge group of mercenaries and as _ group? this is a huge group of mercenaries and as you - group? this is a huge group of mercenaries and as you say, l mercenaries and as you say, made up mostly of convex, people taken from russian prisoners believed to be in the region of 50,000 currently in ukraine, and it is a group that has been around for some time, most significantly in 2014, believed to be involved in the annexation of crimea. and then just before the invasion of ukraine by russia last year, in the months before they were involved in the so—called false flag attacks, these are the fate prov