Was the synagogue attack ‘inevitable’? After Thursday’s horrific terror incident, some people believe we are entering a new era of antisemitic violence. Others say the story is not so straightforward.
Six minutes of terror in Manchester
Terrorist tragedy: A statement from the Heaton Park Synagogue said they feel "loss beyond words", but the synagogue's leaders also praise the bravery of security and first responders who, they say," saved countless lives". Glossary
Yom Kippur - A festival which comes nine days after the Jewish New Year. The name translates as "Day of Atonement".
Synagogue - The Jewish place of worship.
Terrorism - The unlawful use of violence and intimidation, especially against civilians, in the pursuit of political aims.
Antisemitic - Hostile to or prejudiced against Jewish people.
Normalised - To make something into a normal and everyday situation.
Hamas - A militant Palestinian organisation, which has controlled the Gaza Strip since 2007. It is listed as a terrorist organisation in the UK.
Gaza - The smaller of two Palestinian territories, home to two million people. It is located on the Mediterranean coast, bordered by Israel and Egypt.
Collateral - Something connected to an action or cause, but not in an intended way.
Nazis - A German political party of the twentieth century, led by Adolf Hitler. The Nazis controlled Germany from the early 1930s until the end of World War II.
Islamophobia - Dislike of Islam and Muslims.
Prejudice - An idea about something, especially a group of people, that is not based on reality.
Far-right - A range of ideologies that emphasise social order, racial purity and the elimination of opponents.
Rabbi - A Jewish religious leader.
Holocaust - The murder of six million Jewish people in Europe by Nazi Germany. Members of other minority groups were also killed.
Genocide - The annihilation of a people, either through killing of its members, or through the suppression of its culture.