Russia, Armenia's foreign ministers to meet on January 21 -- Foreign Ministry - Armenia justifies treaty with US by 'complex international situation' - Relations between Russia and Armenia are not easy at this stage -- Lavrov - Armenia's top diplomat may visit Russia soon -- Lavrov - Putin offers to mediate talks between Azerbaijan and Armenia on visit to Baku - Russia still ready to facilitate reconciliation between Armenia and Azerbaijan -- diplomat - Azerbaijani, Armenian foreign ministers to meet in Almaty May 10 - UN secretary general urges Azerbaijan, Armenia to normalize relations - Armenia's relations with Russia not at their highest -- top diplomat - Kazakhstan ready to host Armenia-Azerbaijan talks, says president