People lay flowers on a makeshift memorial at the location of the blast of a suicide attack on Istiklal Street, a major shopping and tourist district, in central Istanbul, on March 20, 2016. Three Israelis and one Iranian were killed, and 39 people injured, when the bomber blew himself up March 19 on Istiklal Street, less than a week after another deadly attack left 35 dead in Ankara. A Turkish jihadist with links to the Islamic State carried out the suicide bombing that killed four foreigners on a major shopping street in Istanbul, Interior Minister Efken Ala said March 20. / AFP / YASIN AKGUL (Photo credit should read YASIN AKGUL/AFP/Getty Images)
