Despite talk of a Nobel peace prize, Japan’s leader is facing a backlash among voters as key byelection approaches

In the past fortnight Fumio Kishida has been mentioned as a possible recipient of the Nobel peace prize and praised for a speech to congress in which he urged the US not to retreat into isolation.

But since his return to Tokyo after a successful summit with Joe Biden, Japan’s prime minister has been buffeted by domestic political headwinds that this weekend could spell the beginning of the end of his administration.