A 50-year-old suspect is being remanded in custody after five people were killed and more than 200 injured in a car-ramming attack at a Christmas market in Magdeburg. Saudi Arabian sources say they repeatedly warned Germany about the suspect's "extremist" views.

President-elect Donald Trump plans to launch a mass deportation operation targeting millions of immigrants living in the U.S. illegally and with temporary protections once he takes office on Jan. 20, a challenging initiative that could split apart families and affect U.S. businesses.

The officials said Riyadh warned the German authorities the suspected attacker, Taleb al-Abdulmohsen, a Saudi dissident who described himself as an ex-Muslim, had boasted on social media that “something big will happen in Germany”. It was unclear if police ever acted upon the warnings.