TEHRAN MAY GIVE ITS RESPONSE TO THE SIX-POWER PROPOSAL ON THE IRANIAN NUCLEAR PROGRAMME BY THE END OF JUNE, RIA NEWS AGENCY QUOTED RUSSIAN FOREIGN MINISTER SERGEI LAVROV AS SAYING ON WEDNESDAY. "NO DEADLINES HAVE BEEN SET BUT WE EXPECT THAT BY THE END OF THE MONTH THE IRANIANS MAY GIVE AN ANSWER TO THE PROPOSALS THAT WERE SUBMITTED TO THEM," RIA QUOTED HIM AS SAYING.