UPDATE 1-Russia's FSB says minor detained over park attack threat after US tip-off 

4

(Adds details and quotes in paragraph 2 onwards) Nov 1 (Reuters) – Russia's Federal Security Service (FSB) said on Sunday that a Russian minor had been detained over a threat to carry out a terrorist

(The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)