Germany is in mourning after twelve people were killed at a Christmas market in Berlin in what Chancellor Angela Merkel described as a "probable terrorist attack". A man drove a lorry into crowds who had gathered at the market near the city's main shopping street. Meanwhile, Russia says it will boost security at all its embassies after the country's ambassador to Turkey was assassinated by an off duty policeman hours before the Berlin attack.
Ian Bond is Director of Foreign Policy at the Centre for European Reform, and joined Share Radio's Juliette Foster on the line for more on these stories.
