Jewish schools and other institutions in Antwerp and Brussels went into lockdown following attacks in Belgium that killed at least 34 people at the main airport and in the metro in Brussels.
A teenager who attacked a Jewish teacher in Marseille on Monday is a Turkish citizen of Kurdish origin who said he acted in the name of the militant Islamist group Islamic State, the prosecutor in the southern French city of Marseille said.
France honored the victims of Islamist militant attacks last year in a thinly attended silent ceremony on Sunday, almost a year to the day when more than a million people marched in Paris to protest killings at the satirical magazine Charlie Hebdo.
A Palestinian motorist rammed into a bus stop in Jerusalem on Monday, injuring at least 11 people before he was shot dead, Israeli police said, in the latest in a surge of street attacks.
Israeli officials close to Prime Minister Benjamin Netanyahu have brushed off remarks by U.S. presidential candidate Donald Trump to a Jewish audience that some commentators called offensive.
A 3-year-old colt owned by an Orthodox Jew from Egypt claimed the first Triple Crown in 37 years.