Anti-terrorism training at the Ueno Zoo
December 4 2017, Tokyo, Japan - An armed terrorist is arrested by police officers after he was attacked by a police dog during an anti terrorism exercise at the Ueno Zoological Garden in Tokyo, on Monday, December 4, 2017. Some 50 police officers and the zoo staffs participated the drill. (Photo by Yoshio Tsunoda/AFLO) LWX -ytd-