After an obstacle was removed from railway tracks in the north, a suspect was arrested and released as security forces are trying to find additional suspects involved in the planning of the attack.

Former president Dmitry Medvedev, said Russia had the right to defend itself with nuclear weapons if it is pushed beyond its limits and that this is "certainly not a bluff."

Antisemitic flyers were distributed at University of Michigan, and eggs were thrown at a Jewish fraternity house at Rutgers University.

Iran has decided to target Kurds across the border in Iraq as the protests spread across the Islamic Republic over the murder of Mahsa Amini.

The trial of Stewart Rhodes, the founder of the far-right Oath Keepers militia, and four others for the January 6 insurrection, will begin on Tuesday.

Iranian riot police and security forces clashed with demonstrators in dozens of cities amid continuing protests against the death of Mahsa Amini.

The Category 3 hurricane Ian is expected to strengthen further on Tuesday after cutting a swath through Cuba's farm country west of the capital Havana and emerging over the Gulf of Mexico

A seismograph on the Danish island of Bornholm, near where the leaks had occurred, twice recorded spikes representing earth tremors on Monday.