It is not specified whether these 'private military' are part of Wagner PMC units.

Russian private military unit has arrived in Yemen, reports say.

"It is not specified whether these 'private military' are part of Wagner [PMC] units, known for their operations in Syria and African countries," WarGonzo Telegram-channel reported with reference to its own sources in Russian law enforcement agencies.

Read alsoGold for "Putin's Chef": Media reveal why Russian mercenaries come to CAR

Earlier, Chairman of the Supreme Political Council of the Houthi people Mahdi Al-Mashat sent a telegram to Russian President Vladimir Putin with a request to "help end the civil war" in the country. He expressed hope that the Russian Federation would play a "significant role" in stopping the aggression and lifting the Yemen blockade.