The Chechen language is unique to the Caucasus region, and not related to any languages outside of this region.
The Ingush, closely related to the Chechens , are predominantly Muslim.
Most were Uzbeks, but there were also Afghans, Chechens , Uighurs from China and a small number of Arabs.
‘There were these Chechen women who were sitting next to a couple of Russian sisters and their children, and they talked,’ he says.
Until 1991, Chechnya had two official languages, Chechen and Russian.
The British Foreign Office met with a representative of the Chechens in January.
The Chechens therefore have retained many traditional customs and practices.
Others think they may be Chechens or Ingush - another Caucasus ethnic group - or even local men.
But the origins of the Chechen conflict lie not in Islamic militancy but in the 19th century Chechen struggle to resist absorption by the Russian empire.
They used the Chechen language to talk with each other, but they spoke Russian to us.