Finland's president has called for the rearming of Ukraine and putting "maximum pressure on Russia" through sanctions and asset freezes in the run-up to possible negotiations sought by the US on ending the war.

Ukrainian President Volodymyr Zelensky says he directed his ministers not to sign off on a proposed agreement to give the United States access to Ukraine's rare earth minerals because the document was too focused on US interests.

The man accused of stabbing six people in southern Austria in broad daylight, killing a 14-year-old boy, was motivated by "Islamic terrorism", officials have said.

At least 18 people, including 14 women, were killed in a stampede at a railway station in India's capital of New Delhi, the Press Trust of India news agency reported on Sunday.