ISTANBUL   Russia on Monday regretted Azerbaijan's decision to cancel planned cultural events involving Russian institutions after the death of its citizens during a police raid in the city of Yekaterinburg last week. “We are interested in further developing our good relations with Azerbaijan,” spokesman Dmitry Peskov told journalists at a briefing. Peskov said a conversation between Russian President Vladimir Putin and his Azerbaijani counterpart Ilham Aliyev is not on the agenda, and that