Bangladeshi security officers stand by the site where a Japanese Kunio Hoshi was killed at Mahiganj village in Rangpur district, 300 kilometers (185 miles) north of Dhaka, Bangladesh, Sunday, Oct. 4, ．．． 較多Bangladeshi security officers stand by the site where a Japanese Kunio Hoshi was killed at Mahiganj village in Rangpur district, 300 kilometers (185 miles) north of Dhaka, Bangladesh, Sunday, Oct. 4, 2015. Masked assailants riding a motorbike shot and killed Kunio Hoshi on Saturday, police said. The Islamic State group issued a statement claiming responsibility for the attack, according to the SITE Intelligence Group, which monitors jihadi postings online. The report could not be independently confirmed. The extremist group also claimed responsibility for the killing of an Italian aid worker last Monday. (AP Photo/A.M. Ahad) 較少