MOSCOW, April 10 (Reuters) - Alexander Lukashenko, the president of Belarus, told Russia's defence minister on Monday that he wanted guarantees that Moscow would defend his country if it was attacked, the state-owned BelTA news agency reported. Since late last year, a flurry of military drills and visits from high-level Russian officials have sparked speculation that Belarus may formally join a new attack on Ukraine. See here for a complete list of exchanges and delays