Tokyo Gov. Yuriko Koike expressed caution Tuesday about lifting the state of emergency in the metropolitan region this weekend, despite novel coronavirus infections trending downward since it was declared in early January."It may not be enough if we don't shift the gear up by one more level," Koike told reporters, noting the decline in new cases was slowing.Sources close to the matter said Tokyo and three adjacent prefectures may ask the central government for an extension of the state of emergency beyond the current end date of Sunday.The central government is expected to hold a meeting as…READ FULL ARTICLE