Russia's Putin says cyber attacks are unacceptable

KRASNAYA POLYANA (Reuters) - Russian President Vladimir Putin said on Thursday that cyber attacks or other types of interference in other countries' internal affairs were intolerable. The U.S. government has formally accused Russia of a campaign of cyber attacks against Democratic Party organizations in the run-up to the U.S. presidential election. Russian officials have denied those allegations. (Reporting by Gleb Stolyarov; Writing by Maria Tsvetkova; Editing by Andrew Osborn)