The family of one of the British aid workers missing in Ukraine have said they are “very worried and concerned” about his health and whereabouts.

Christopher Parry was last seen on Friday morning leaving Kramatorsk for Soledar with fellow Briton Andrew Bagshaw before contact was lost.

In a statement his family said: “We are very worried and concerned about the health and whereabouts of Chris right now.

“He is an extraordinary person who is compassionate and caring and would not be dissuaded from his work in Ukraine liberating elderly and disabled people, which we are very proud of.

“We, his family and partner, all love him very much and would be grateful if our privacy could be respected at this difficult time.”

Officers in Donetsk have said they are carrying out investigative and operational measures to try to find them.

Originally from Cornwall, Mr Parry had been working as a running coach in Cheltenham when Russia invaded on 24 February last year.

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His daring actions on the front line saw him evacuating residents from the besieged city of Severodonetsk before it fell in June and later operating east of Lyman.

He told Sky News last year: “Sometimes, when you see some pretty terrible things it does stay with you.”

A Foreign Office spokesperson said: “We are supporting the families of two British men who have gone missing in Ukraine.”