EU official warns of jihadist influx

Europe's Security Commissioner Julian King Tuesday warned that the European Union must brace itself for an influx of radical jihadists if Iraqi forces wrest back Mosul, a stronghold of the so-called Islamic State.

"The retaking of the IS northern Iraq stronghold, Mosul, may lead to the return to Europe of violent IS fighters," King told Die Welt in remarks published Tuesday.

Even the return of a relatively small number of jihadists would pose a "serious threat that we must prepare ourselves for," he said.

At the front line of Europe's refugee crisis, it is unclear how much of the relative burden Greece would bear in the event of an influx of jihadists.

Iraqi forces aim to topple IS's so-called "caliphate" in a US-led offensive.

Lise Grande, the United Nations humanitarian coordinator for Iraq, said that up to a million civilians could flee the city in...