Former US president Joe Biden said he won't be "able to have as many conversations" about his upcoming memoir as he would want to because of his cancer diagnosis.
The chief executive of tech giant Nvidia has admitted having an affair, with the company investigating reports that he was targeted by a foreign intelligence effort.
At least seven people have died and more than 100 have been left injured in a major train crash south of Cairo, according to the Egyptian Chief Prosecutor’s office.
Russia may have reached the limit of its "peacetime" ability to project force in the Baltic Sea, with the maritime situation "tense" but "stable", the head of Finland's navy has said.