Poland and Russia expelled each other's diplomats this week and canceled cultural exchanges. But many Poles, driven by longstanding ties as well as business interests, want more dialogue. Will the new PM deliver?
Part 3 of 3: Anti-Semitism has a long history in Europe. But Jews are feeling increasingly threatened by what they see as a new wave of prejudice – brewed in part by burgeoning extremism in Muslim communities.
Part 2 of 3: Fears of radicalized European jihadis returning home to commit acts of terrorism are fueling Islamophobia across France and the Continent. Some say that is further disillusioning Muslim youth – making them more likely to radicalize.
Part 1 of 3: In Marseille, one of France's most multicultural cities, the anti-immigrant National Front is moving from the fringes into the mainstream with the support of disenfranchised Muslims, amongst others.
UKIP, which has boosted its appeal with an anti-EU, anti-immigration platform, won its first seat in Parliament Thursday with a commanding margin. The vote follows a series of coups for the party ahead of next May's general elections.
The Islamic State's execution of Briton Alan Henning coincided with the release of David Richard Bolam by a Libyan group. With IS now threatening to execute Abdul-Rahman Kassig, a US aid worker, debate is again raging over ransoms.
Prime Minister David Cameron has promised to hold a referendum on Britain's EU membership, while also devolving more powers within Britain following the Scottish referendum. Success at home could boost his chances in Brussels.
Berlin's reluctance to act militarily on moral grounds is well known. But over the past week, a series of investigations and the release of a confidential government report have shown that the German military is in a sorry state.
Europeans were solidly against intervention in the Middle East just a few months ago. Now they are lining up behind the US-led operations against the Islamic State in Iraq – in large part because they see the group as a domestic threat.
Shortly after IS called on followers to kill Westerners, including the 'dirty French,' tourist Hervé Gourdel was beheaded in Algeria. France saw its first mass rally of Muslims today against the barbarism of the Islamic State.
Three suspected jihadis walked freely into France, even though the authorities were warned of their arrival. With IS-linked militants killing a French national in Algeria today, the failure of France's security policies looms large.
French hostage Hervé Pierre Gourdel was seized at the start of a trek in the Algerian mountains when he was captured by a group that has newly sworn allegiance to Islamic State. It says it will kill him within 24 hours.