Gunmen arrived at the Directorate of Agriculture Institute in Peshawar disguised in burqas; security forces kill them two hours into the attack.
A 10-member Imperial Household Council chaired by Prime Minister Shinzo Abe agreed on the timing of Akihito's abdication. Crown Prince Naruhito, 57, will ascend to the throne.
Seoul says it expects Pyongyang to now pause its missile testing programme, after the success of its new Hwasong-15 missile that can hit the US mainland.
Pterosaurs were reptiles, and the first creatures - after insects - to evolve powered flight, meaning they flapped their wings to stay aloft instead of simply jumping and gliding.
Critics say they fear that Duterte's plan to establish a "revolutionary government" allow him more freedom in prosecuting his drug war.
The scales are estimated to have come from at least 20,000 to 30,000 slaughtered pangolins in Africa.
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