A tower at a nuclear research institute northeast of Tokyo has collapsed due to strong winds generated by Typhoon Faxai. Officials say no one has been injured and no radioactive substances have been released into the environment.
Representatives from the Japan Atomic Energy Agency said workers at the agency's institute in Oarai Town, Ibaraki Prefecture, discovered on Monday that a cooling tower had collapsed.
Severe tropical storm Krosa will likely approach western Japan on Wednesday, weather officials say. It is currently south of the country over the Pacific and moving northwest toward the country.
The meteorological agency warns that heavy rain is expected in western and eastern Japan on Tuesday afternoon as a mass of moist air hits these areas ahead of Krosa's arrival.
Police in Kyoto say the man suspected of a deadly arson attack on an animation studio could have been targeting other facilities belonging to the company, based on security footage from the day before.
The incident took place at Kyoto Animation's number one studio on Thursday, killing 34 people and injuring 34 others.
Police say one child and one man were killed and 16 others injured in a mass stabbing near Tokyo on Tuesday. They say the alleged attacker also died from self-inflicted wounds.
The assault occurred at around 7:45 a.m. as a group of elementary school children were waiting to board a school bus in Kawasaki City, Kanagawa Prefecture.
A suspicious flying object was seen hovering in the sky near the Imperial Palace in Tokyo on Monday night. There were similar sightings last week. Police say the object may have been a drone, even though it is illegal to fly drones in the area.
Police officers spotted the flying object while they were patrolling a park in Chiyoda Ward, near the Palace.
They say the object had flashing white lights.
Japan has lodged a protest with Russia over military drills in the waters near Kunashiri, an island that is part of the Northern Territories. Russia controls the four islands. Japan claims them.
The Japanese government maintains the islands are an inherent part of Japan's territory. It says the islands were illegally occupied after World War Two.
A junior high school in a village near the crippled Fukushima Daiichi nuclear power plant has held its first graduation ceremony since resuming classes after the lifting of an evacuation order there. The order was issued after the plant's nuclear accident resulting from the massive 2011 earthquake and tsunami.
Iitate Junior High School was forced to operate in Fukushima City after the March 11 accident, as the entire Iitate Village was subject to the evacuation order. The school reopened there last April after the order was lifted for most of the village. The disaster occurred on the day of the school's graduation ceremony that year.
Japan has lodged a protest through diplomatic routes with Russia over its planned firing drills in waters near the island of Etorofu. Japan claims the island as part of its Northern Territories.
Russia's government told Japan's Foreign Ministry on Monday that the drills will start on Wednesday and continue through Saturday.