German police launched a manhunt Wednesday for a rejected asylum seeker suspected of involvement in a deadly truck assault on a Berlin Christmas market claimed by the Islamic State jihadist group.
Investigators said they suspect the driver of a truck that ploughed into a crowd at a Berlin Christmas market, killing 12 people and injuring 48, did so in a deliberate terrorist attack, and Chancellor Angela Merkel said he may have been an asylum-seeker.
Pope Francis on Saturday called for a "sincere dialogue" between Christians and Muslims as he met grieving relatives and survivors of France's Bastille Day attack, in which a jihadist ploughed his truck into a crowd.
Gunmen attacked a busy shopping mall in the German city of Munich on Friday evening, spraying bullets as people fled in horror for safety from what police said was a terrorist attack.
French President Francois Hollande defended his government from accusations it relaxed its anti-terror defences after the Euro championships, announcing further support for the fight against the Islamic State group.
When a person craving violence is drawn in by Islamic State ideology offering them glory and a sense of belonging, it provides a volatile mix that can lead to the kind of massacre seen in the south of France last week, experts say.
Links between the Nice truck attacker and "terrorist networks", including the Islamic State group which has claimed the killings, "have not yet been established by the investigation", France's interior minister said Monday.
The man behind the truck attack that killed at least 84 people celebrating Bastille Day in the French city of Nice had recently been radicalised, French Prime Minister Manuel Valls said in remarks published on Sunday.
The Islamic State group claimed responsibility Saturday for the truck massacre in Nice, as France highlighted the "extreme difficulty" of preventing such attacks amid tough questions over security failures.
The 31-year-old Tunisian who killed 84 people by driving a truck through a Bastille Day crowd in Nice on Thursday spent years seeing psychologists before leaving Tunisia for France in 2005, his sister said.
French authorities were trying to determine on Friday whether a Tunisian who killed at least 84 people by ploughing a truck into Bastille Day crowds had acted alone or with accomplices, but said the attack bore the hallmarks of Islamist militants.