His running mate, Davao City Mayor Sara Duterte also was proclaimed vice-president.
These developments came a day after the PTI chairman exhorted his supporters to embark on their march for "true freedom".
He also called on countries and international organisations to collaborate with Vietnam to come up with measures to respond to climate change.
Bangladesh PM Sheikh Hasina laid out five proposals to strengthen regional cooperation in a message at the Economic and Social Commission for Asia and the Pacific of the UN.
The former prime minister said the main demands for the march to the capital were the immediate dissolution of the National Assembly and a date for the next general election.
He also said most of the Rohingyas want to go back to their country, Myanmar, which is just across the river.
The Indonesian Oil Palm Farmers Association calculated that farmers had lost approximately Rp 11.7 trillion (US$799 million) by the end of April because of the ban.
The European Union delegation in Yangon did not immediately respond to a request for comment on National Unity Government defence minister Yee Mon's call.
As of May 12, about 1.3 million tons of treated water was being stored in tanks on the nuclear plant’s grounds, and these tanks will reach full capacity in summer or autumn next…
Indonesia lifts palm oil export ban in relief to global market