A mob looking for Israelis and Jews overran an airport in Russia’s Caucasus republic of Dagestan on Sunday, after rumours spread that a flight was arriving from Israel. The violence in the mostly Muslim region, which comes as war rages between Israel and Hamas in Gaza, prompted Israel to call on Russia to protect its citizens, while the United States condemned the “antisemitic protests”. The governor of Dagestan promised that those responsible for the incident would be punished. Dozens of protesters, many of them chanting “Allahu Akbar” (God is greatest), broke through doors and barriers at Makhachkala airport, with some...