Oct 19 (Reuters) - British troops will be given new powers to shoot down drones threatening UK military bases, the Telegraph reported on Sunday citing an upcoming announcement from British defence minister John Healey. Healey is expected to unveil his vision on how to protect Britain's most critical military bases in response to a growing threat posed by Russia, the newspaper said. Reuters could not immediately verify the report. (Reporting by Rishabh Jaiswal in Bengaluru, editing by Deepa Babington) (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)