Japanese Foreign Minister Yoshimasa Hayashi on Sunday observed a border checkpoint in Medyka in southeastern Poland, where Ukrainian refugees have been arriving as Japan prepares to bolster humanitarian aid for the Eastern European country besieged by Russian aggression.Having arrived in Poland on the previous day as a special envoy of Prime Minister Fumio Kishida, Hayashi also visited a refugee reception center before moving on to Rzeszow, where Japan has set up a temporary liaison office.On Saturday, he held talks with his Ukrainian counterpart Dmytro Kuleba, assuring him of Tokyo's "firm…READ FULL ARTICLE