UPDATE 1-Russian energy minister to attend OPEC event before key meeting
May 19, 2015 at 10:22 AM EDT
MOSCOW, May 19 (Reuters) - Russian Energy Minister Alexander Novak will take part in a seminar of the Organization of the Petroleum Exporting Countries in Vienna on June 3-4, just before the group's policy-setting meeting on June 5, the Russian Energy Ministry said on Tuesday.