Hundreds of Syrian fighters are en route to join Russian forces in Ukraine

A first contingent of soldiers has already arrived in Russia for military training before heading to Ukraine

Recruiters across Syria have been drawing up lists of thousands of interested candidates to be vetted by the Syrian security services and then passed to the Russians

Russia has sent small numbers of Syrians as far as Venezuela, where Moscow has interests in the oil industry

The war in Ukraine could pull in large numbers of Syrians, given the scope of the battle

Western officials, experts tracking the issue, recruiters and returned fighters described a messy system

 recruiters have launched registration drives across Syria to gather names of men who want to go, according to Mr. Alahmad and a recruiter in southern Syria

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