SEOUL (Reuters) – North Korea’s recent missile tests were “serious, unlawful” provocations, senior officials from South Korea, the United States and Japan said on Wednesday, urging Pyongyang to return to dialogue and accept offers of COVID-19 aid. South Korea vice foreign minister Cho Hyun-dong, U.S. Deputy Secretary of State Wendy Sherman and Japanese Vice Foreign Minister Takeo Mori made the comment as they gathered in Seoul three days after North Korea conducted a fresh missile test. The three-way meeting of the countries’ No. 2 diplomats, the first such gathering since November, highlighte…