President Donald Trump says he wants to send more troops to Poland, a week after his officials cancelled a similar deployment.

Alberta's decision to hold a referendum on separation has been widely criticised, including by separatists who say the question is not definitive enough.

A federal judge says the Maryland man who was wrongfully deported last year is being prosecuted for political reasons.

Leading players, including Aryna Sabalenka, Coco Gauff and Jannik Sinner, limit their French Open media duties to 15 minutes in a row over prize money.

A Waymo spokesperson said it had expanded the temporary pause "out of an abundance of caution".

Those caught up in West Africa's Ebola outbreak a decade ago on how best to tackle the current epidemic.