TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : A Policeman is seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : A Policeman is seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen at the entrance of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen at the entrance of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen at the entrance of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen at the entrance of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen at the entrance of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen at the entrance of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo Japan, on November 23, 2015. A small blast was heard around 10am in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)
TOKYO, JAPAN - NOVEMBER 23 : Policemen are seen in the courtyard of the War-related Yasukuni temple at the Tokyo Chiyoda Ward, Tokyo, Japan, on November 23, 2015. A small blast was heard around 10:00 AM local time in the toilet inside the courtyard of the Yasukuni temple. Investigators and mine clearance experts intervene on the site where batteries and a switches were found. (David MAREUIL - Anadolu Agency)