The stabbing of two men in north-west London on Wednesday by an attacker described as seeking anyone “visibly Jewish” would be horrifying under any circumstances. That it comes amid rising antisemitic crime in the area, in the UK and around the world makes it all the more frightening.

A community persecuted throughout history faces a fresh wave of hatred and abuse. Shock and grief are mixed with fear, with some British Jews asking whether they can be safe in the UK. This is the third attack in five weeks in the same part of Golders Green alone. Last October, two people were killed in an attack on a synagogue in Heaton Park, Manchester, on Yom Kippur. In December, two men were found guilty of plotting to infiltrate and open fire on a march against antisemitism in the same city. That month, a pair of gunmen killed 15 people at a Hanukah celebration at Bondi Beach in Sydney.

The precise facts of individual crimes, as well as their common roots, must be understood. Police are........

© The Guardian