A small variety of British solders have "disobeyed orders and gone absent with out depart" and should have travelled to Ukraine "in a private capability", the British Military has mentioned.
An Military spokesperson mentioned: "We're strongly encouraging them to return to the UK."
It comes after Defence Secretary Ben Wallace mentioned troopers may very well be prosecuted for desertion in the event that they travelled to Ukraine to combat towards Russian forces.
Ministry of Defence (MoD) chiefs have banned all service personnel from travelling to Ukraine "till additional discover".
"This is applicable whether or not the Service Particular person is on depart or not. Personnel travelling to Ukraine will face disciplinary and administrative penalties," a MoD spokesperson mentioned.
Mr Wallace confused that serving troopers who've reportedly already travelled to the conflict zone will face a court docket martial after they return.
He additionally warned different Britons to not journey to Ukraine, telling them they'd not be there for "a selfie and 6 weeks" however within the conflict "for actual".
Within the Commons, Mr Wallace mentioned any serving personnel who went to Ukraine "shall be breaking the legislation and they are going to be prosecuted after they return for going absent with out depart or deserting".
For different Britons, he mentioned "we strongly discourage them from becoming a member of these forces" in Ukraine.
"The Ukrainians are very clear: you flip up, you might be in it for the entire sport. You aren't in it for a selfie and 6 weeks, you might be in it for actual," he mentioned,
"I believe we've got seen already some individuals on the borders discover which may be not be the correct choice to comply with."
The UK's place on Britons going to hitch the resistance to Vladimir Putin's invasion has seen ministers compelled to row again on feedback from International Secretary Liz Truss, who mentioned she would "completely" help volunteers who went to Ukraine to combat.
Ministers' issues about Britons being caught up within the combating have been underlined by Cupboard minister Grant Shapps, who mentioned it risked making a "harmful state of affairs" with the Russians.
Mr Shapps informed troops "you can not simply stand up and go" after a 19-year-old Coldstream Guard was reportedly amongst as much as 4 lacking British troopers feared to have travelled to combat Russia.
The Transport Secretary confused there was a "huge distinction" between people taking the possibly unlawful choice and the UK dispatching troops to combat alongside Ukrainians.
Ministers have dominated out such a transfer over fears it might spark a world conflict, as an alternative committing to offering defensive weapons to fend off Moscow's troops.
A teenage Coldstream Guardsman, based mostly in Windsor barracks, wrote a goodbye letter to his dad and mom and acquired a ticket to Poland over the weekend with the intention of crossing into Ukraine, in accordance with one newspaper.
Mr Shapps informed ITV's Good Morning Britain: "You can not go and combat for those who're within the British Military, you can not simply stand up and go and combat.
"After all that is inappropriate behaviour and you'll count on the military to have some very, very strict guidelines in place, as they do."
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