NATO Secretary General Anders Fogh Rasmussen has spoken of an alarming build-up of Russian ground and air forces close to the border with Ukraine.
He condemned Russia for sending a "so-called humanitarian convoy" into Ukraine without the consent of the Ukrainian authorities.
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Even if you're having a tough day in the office, it's unlikely to be as difficult as the one facing the director of the US Secret Service.
The first behind-the-scenes photographs of George Clooney and Amal Alamuddin's Venice wedding have been published in a celebrity magazine.
The US Secret Service chief faces questions from politicians today over the latest in a series of worrying White House security breaches.