Japan's Chief Cabinet Secretary Kato Katsunobu has declined to comment on media reports that Tokyo prosecutors want to question former Prime Minister Abe Shinzo about the annual parties for his supporters.
Kato said the matter is related to the activities of the investigative authorities.
Japanese Prime Minister Suga Yoshihide and International Olympic Committee President Thomas Bach say they will work together closely to hold the Tokyo Olympics next year.
The two met at the prime minister's office on Monday. Bach is visiting Japan for the first time since the decision was made in March to postpone the Tokyo Olympic and Paralympic Games until next year due to the coronavirus pandemic.
Relatives of Japanese nationals abducted by North Korea have commented on Joe Biden's victory in the US presidential election.
Eighty-two-year-old Iizuka Shigeo, whose sister Taguchi Yaeko was abducted by the North, said the relatives have met President Donald Trump and two former US presidents, George W. Bush and Barack Obama, and sought their help in resolving the issue.
Chief Cabinet Secretary Kato Katsunobu told reporters on Wednesday that the police will investigate the matter and that the government will examine the results of the investigation.
Kato noted that the Consumer Affairs Agency has imposed administrative penalties on Japan Life four times. He also said that strict measures have been taken against the firm's malicious business practices. He added that the agency is examining ways to protect consumers.
The management firm of Japanese actor Miura Haruma has released a comment on his death.
The firm, Amuse, released a statement on its official website on Monday, two days after the 30-year old died in an apparent suicide at his home. He was taken to a hospital in Tokyo, where he was pronounced dead.
Japanese Cabinet ministers are refraining from commenting on the contents of a book written by former US national security advisor John Bolton.
Chief Cabinet Secretary Suga Yoshihide referred to a passage where Bolton says he conveyed a request from President Donald Trump to have Japan pay 8 billion dollars annually to host US troops.