Can antisemitism ever be defeated? The crisis in Israel and Palestine is causing a wave of racist incidents across the western world. Some fear things will never change.
Security increased in synagogues worldwide
Guarded gravitas: Jewish communities turn to high-tech alert systems for protection. Glossary
Antisemitic - Hostile to or prejudiced against Jewish people.
Hamas - A militant Palestinian organisation, which has controlled the Gaza Strip since 2007. It is listed as a terrorist organisation in the UK.
Kosher - In Hebrew, kosher means "proper". It refers to food that follows Jewish dietary rules.
Seleucid Empire - An ancient empire that once covered large parts of west Asia, from 312 to 64BC.
Jerusalem - An ancient city that is considered holy to Jews, Christians and Muslims alike.
Middle Ages - The Middle Ages was the period in European history that came between ancient and modern times. It lasted from about 500 to about 1500.
Rhineland - An area of western Germany along the river Rhine.
Holocaust - The murder of six million Jewish people in Europe by Nazi Germany. Members of other minority groups were also killed.
Neo-Nazis - People belonging to a political organisation whose beliefs are inspired by or reminiscent of Nazism.
BJP - The Bharatiya Janata Party (Indian People's Party) is the ruling political party of India, led by Narendra Modi. It follows a right-wing Hindu nationalist ideology.