SAO PAOLO — Korean President Lee Jae Myung and Brazilian President Luiz Inacio Lula da Silva agreed to further enhance their countries' strategic partnership, also stressing the need to resume negotiations for a free trade deal between Korea and the South American trade bloc Mercosur, presidential spokesperson Kang Yu-jung said Tuesday. Lee and Lula met Monday in Brasilia, their second bilateral summit this year following their February meeting in Seoul. The two leaders adopted a joint statement, in which they stressed the need to further enhance their countries' cooperation as strategic partners linking South America and Asia that will help both sides tackle various complex challenges in the international community, the spokesperson said in a release. They had agreed to upgrade their countries' relationship to a strategic partnership when they last met in February. Lee and his Brazilian counterpart also highlighted the need to resume negotiations for a trade pact between Korea and Mercosur, to which Brazil is a member. To this end, the leaders agreed to launch a joint working group tha