Putin: ``North Korea has its own 'nuclear umbrella''...``There was no request for assistance''

Russian President Vladimir Putin said, ``North Korea has its own ``nuclear umbrella'' and is not requesting any nuclear support from Russia.''
According to Reuters on the 13th (local time), President Putin spoke in an interview with the state media ``Russia 1'' and the RIA Novosti news agency published on that day.
In the interview, he said, ``The Democratic People's Republic of Korea has its own nuclear umbrella.'' He added: "They have not made any requests to us."