Japan's top government spokesperson has said the government has a high level of interest in North Korea's movements on a daily basis.
Speaking to reporters on Tuesday, Chief Cabinet Secretary Suga Yoshihide said the government is working to collect and analyze data, but he refrained from commenting on specific contents.
New coronavirus cases are again rising in Japan. The nation's daily tally surpassed 900 for the first time on Thursday.
Tokyo reported 366 new cases, followed by Osaka Prefecture with 104, Aichi Prefecture with 97, Fukuoka Prefecture with 66 and Saitama Prefecture with 64.
Tokyo Governor Koike Yuriko says the Japanese capital is likely to report more than 280 new cases of the coronavirus on Thursday.
This would be a new daily record for Tokyo. The highest figure so far has been the 243 cases confirmed on July 10.
The Tokyo Metropolitan Government says a record-high 243 new cases of the coronavirus were confirmed on Friday in the capital.
The figure exceeded the 200 mark for the second day in a row, surpassing the 224 posted on Thursday.
NHK has learned that more than 240 new cases of the coronavirus were confirmed on Friday in Tokyo -- a record high.
The figure exceeded the 200 mark for the second day in a row.
Sources at the Tokyo Metropolitan Government say 224 new cases of the coronavirus were confirmed in the Japanese capital on Thursday.
This is the highest-ever daily total for Tokyo. The 206 cases confirmed on April 17 had been the previous highest daily figure.
Officials in Tokyo reported 124 new coronavirus cases on Friday. It's the highest daily tally in over two months. The number is sparking concerns that the capital may be in the midst of another surge in infections.
This is the second consecutive day the number of new cases has hit triple digits.
The Tokyo Metropolitan Government says it has confirmed 60 new cases of coronavirus in the capital on Sunday. The figure is the largest since the state of emergency was lifted on May 25 in the capital.
Tokyo authorities say the infected people are in their teens to their 70s, with some ranging as high as 90 years and older. They add that people in their 20s and 30s account for three out of four of the newly confirmed cases.
Japan's health authorities say the country has not recorded any new coronavirus cases on Sunday as of 11:30 a.m.
The total number of confirmed infections stands at 15,777, including people who tested positive at airport quarantine stations.
Japan's health authorities reported 25 coronavirus-related deaths on Monday, the highest daily death toll so far.
A total of 276 people have died in Japan, including 13 from the Diamond Princess cruise ship that was quarantined in Yokohama in February.
Japan confirmed 169 additional coronavirus infections on Sunday, the second largest single-day count following the 200 recorded on the previous day.
The country has seen 1,893 cases, excluding 712 from the Diamond Princess cruise ship, which was quarantined at Yokohama Port south of Tokyo.
Japanese health authorities say more than 80 people have been confirmed to be infected with the coronavirus on Sunday so far, bringing Japan's total to over 1,800.
A low pressure system and a cold air mass brought unseasonal snow to Tokyo on Sunday.
The Tokyo Metropolitan Government has confirmed 47 new cases of coronavirus infection, another daily high.
Government officials made the announcement at a news conference on Thursday.
Health authorities in Japan reported 63 new cases of coronavirus infection on Saturday -- the highest daily increase excluding those linked to the cruise ship Diamond Princess.
The officials say the number of cases confirmed in the country reached 773 on Saturday.