Hours after the 2015 Saint-Quentin-Fallavier attack on a gas factory near Lyon on 26 June 2015, in which the severed head of a local (non-Jewish) businessman was pinned to the gates and an ISIS flag was raised, Immigration and Absorption Minister Ze'ev Elkin strongly urged the French Jewish community to move to Israel and made it a national priority for Israel to welcome the French Jewish community with open arms. Immigration from France is on the rise: in the first half of 2015, approximately 5,100 French Jews made aliyah to Israel marking 25% more than in the same period during the previous year. Following the November 2015 Paris attacks, committed by suspected ISIS affiliates reputedly in retaliation for Opération Chammal, more than 80 percent of French Jews considered making aliyah. The largest attack on the evening of 13 November killed 90 people, leaving 200 wounded at a rock concert in the Bataclan Theatre in Paris. Although its long time Jewish owners (who regularly set Jewish events there, including some in support of Israel) had sold the theatre shortly before the massacre, speculation arose about an antisemitic motive behind the attack, but this was not a popular theory in the French media. However, to some, this possible antisemitic motive was concealed by the general media, raising questions about the media's motives to do this, an issue reflected in the French Jewish community press. According to the Jewish Agency, nearly 6500 French Jews had made aliyah as of mid-November 2015 and it was estimated that 8000 French Jews would settle down in Israel by the end of 2015. In January 2016, a 35-year-old teacher in Marseille was attacked with a machete by a Kurdish teenager. Some Jewish groups debated recommending that Jews not wear the kippah in public. A 73 year old Jewish municipal councillor in Créteil was murdered in his apartment the same month. On 4 April 2017, the horrific murder of a 65-year-old French Jewish woman, Sarah Halimi, in her popular neighborhood home of Belleville in Paris, around the corner from a mosque reputed for its radicalism, and as police standing in the staircase heard the murderer yelling "Allahu akbar" repeatedly for minutes, and did not intervene in spite of the screams and the beating, has raised questions again. As it took several months for the French justice to qualify this murder as an antisemitic act, concern about an institutional