LONDON (Reuters) - A British man has been killed in Ukraine and a second is missing, Britain's foreign office said on Thursday.

       "We can confirm that a British national has been killed in Ukraine and are supporting their family," a foreign office spokesperson said.

       "We are aware of a British national who is missing in Ukraine ... we are urgently seeking further information."

       The foreign office said it was unable to provide any further information.

       (Reporting by Muvija M; editing by Kylie MacLellan)