Knife-wielding man injures 10 on Tokyo train

The suspect, 36, allegedly told police he became angry when he saw women who "looked happy" and wanted to kill them, according to local media reports.

One victim, a female student, is said to be seriously injured, while the others suffered less severe injuries.

Violent crime is rare in Japan and tight security measures are in place in Tokyo, which is hosting the Olympics.

The man attacked passengers on a train near Seijogakuen station at about 20:40 (11:40 BST) on Friday.

Powerful earthquake rocks Japan weeks from disaster anniversary

The 7.3-magnitude quake was felt strongly in Tokyo, but a tsunami warning has not been issued.

There are reports of about 50 people injured, officials say, and almost one million homes are without power.

The quake struck near the epicentre of a 2011 earthquake which triggered a tsunami and killed over 18,000 people.

That tsunami caused a nuclear accident at the Fukushima Daiichi Nuclear Power Plant - the world's most severe nuclear accident since the Chernobyl disaster in 1986.

Kenny eyes Olympics landmark in Tokyo

The 29-year-old announced on Tuesday that he will return to cycling at the Revolution Series in Manchester next January as he continues his bid to become Great Britain's most successful Olympian. 

Kenny, who took time off after winning three golds at Rio 2016 and married fellow cyclist Laura Trott before the pair had a child, is level with the legendary Chris Hoy on six podium-topping finishes at the Games.

Umaga takes blame for Tokyo blue

 With both teams out of playoff contention, the last-placed Japanese side scored eight tries to three and ran the woeful visitors ragged on their way to a commanding 48-21 victory on a scorching afternoon in Tokyo on Saturday.

The Sunwolves, who had just one other win this year and came into the match having conceded 146 points in two big losses in South Africa, trailed by 14 towards the end of the first half before rattling off 41 unanswered points and keeping the visitors scoreless in the second spell.

Tokyo elects Yuriko Koike as first female governor

Ms Koike, who ran as an independent, received more than 2.9 million votes in Sunday's election, beating her opponents by a wide margin.

One of her key challenges will be curbing the financial problems plaguing Tokyo's preparations to host the 2020 Olympic Games.

Scandals linked to the Games forced the last two governors to resign.

"I will lead Tokyo politics in an unprecedented manner, a Tokyo you have never seen," Ms Koike, 64, told cheering supporters,

Japan's Line to list shares in Tokyo and New York

It is looking to raise more than $900m (£624m) from investors, which would value the firm at more than $5bn.

The listing, planned for July, could make it the world's biggest technology initial public offering this year.

Line is looking to raise funds to expand into the US and help it compete with rivals such as Facebook Messenger, WhatsApp and China's WeChat.

The app first made its debut in 2011 and is the most popular messaging service in Japan, Thailand and Taiwan.

Japan's student protests: To the barricades in designer gear

With its vast digital screens and incessant buzz of advertising jingles, it is a gateway to Japanese youth culture, with every road leading to brand-name stores and nightclubs.

On Sunday, a month after the government passed a controversial security bill in the face of widespread opposition, the plaza off Shibuya crossing was jammed with student activists, eager to continue their anti-government demonstrations.

Armed with everything from megaphones to turntables and crates of vinyl, they came clad in chic streetwear, making the afternoon half demo, half street party.

How to live to 100, according to scientists

They identified that to live past the age of 100 you must keep inflammation down in the body and telomeres long – which are the part of human cells that affect how our cells age.

Severe inflammation is part of many diseases in the old, such as diabetes or diseases attacking the bones or the body’s joints, and chronic inflammation can develop from any of them.

Small plane crashes in Tokyo neighbourhood; 3 dead, 3 survive

The single-engine propeller plane plowed into and set ablaze a row of houses just minutes after taking off from an airport used by small aircraft in Tokyo's western suburb of Chofu.

Television footage showed a mangled plane, broken up with its tail upside down, resting on a crushed car in a residential lot as dozens of firefighters battled the blaze and treated the victims.

The roofs of the two houses next to the site were also damaged.