Thousands of mourners have joined Israeli leaders and the families of the four Jewish victims of the terror attack on a kosher supermarket in Paris.

The bodies of four Jewish victims of the terror attack on a kosher supermarket in Paris have arrived in Israel ahead of a funeral to be attended by Prime Minister Benjamin Netanyahu and other public figures.

A huge security operation is being prepared ahead of unity marches in France, as the hunt for a fugitive linked to the Paris massacres took a new twist.