Former US Ambassador to Russia on the Trump-Zelenskyy meeting / Breakdown in relations with Berlin not Moscow's doing -- Russian ambassador / Relations between Moscow, Bishkek don't need adjusting -- Russian embassy / Restoration of air service with the US to facilitate business ties -- Russian ambassador / Russian envoy invites US colleagues to visit Russia / Russia, Cyprus to resume mutually beneficial partnership -- Russian ambassador / Russian envoy's informal credential presentation due on March 27 -- US State Department / Russian ambassador Darchiyev to depart to US today -- TASS source / Russian ambassador to represent his country during Lukashenko's inauguration -- embassy / Russian ambassador plans to depart to US 'one of these days' -- ministry spokeswoman