Japanese media say a sociology student attacked her classmates with a hammer during class after voicing frustration at being ignored.

At least eight people were wounded in a hammer attack at a university in Tokyo on Friday, with the assailant a woman in her 20s, Japanese media said.

Japan has approved additional sanctions against Russia over its war on Ukraine, including freezing the assets of dozens of individuals and groups and banning exports to dozens of organizations in Russia and several other countries that have allegedly helped it evade sanctions.

Japan on Friday added 11 people and 32 organizations in Russia, as well as a North Korean individual and a Georgian bank, to its list of sanctions over the Russian war in Ukraine. The government also said it has decided to ban exports to an additional 53 organizations,