Kim Jong-un ordered the execution after an official visit to the facility in May, South Korean media say.
The US president expressed the view in a closed-door meeting on 7 July.
Aung San Suu Kyi's party has yet to confirm if it will field candidates at the election.
The surveillance extends back to the 1990s and included several members of government, whistleblower claims.
Mayor Stephanie Rawlings-Blake named Deputy Police Commissioner Kevin Davis as interim commissioner.
The Republican candidate recently came under fire for disparaging comments.
EU law experts and rock-star economists are calling for less sabre rattling and more Greek debt restructuring.
Many business groups question the wisdom of the government's plan to peg minimum wage at £7.20 an hour for over 25s.
Before today, the last all-Conservative budget was delivered by Kenneth Clarke in 1996. How does George Osborne's stack up?
IBTimes UK economics commentator William Keegan gave his view on Osborne's first all-Tory budget.
A court adjourned the case until 29 July after an opposition lawyer did not appear to argue the case.
UN says the elections were not free or credible.
Chancellor unveils the first all-Tory budget in 18 years, declaring 'Britain deserves a pay rise'.
Read the Conservative chancellor's full emergency budget here.
Welfare cuts came alongside an increase in wages for low-paid Britons.
The chancellor announced the government has launched a green paper about the proposal.
Chancellor said monument should also be built to remember victims of overseas terrorism.
Chancellor George Osborne could face strike action after the controversial announcement.
The prime minister supports a change to the legislation, which covers England and Wales.
Somali Islamists storm village in bordering Kenya hurling grenades and opening gunfire on quarry workers.
EXCLUSIVE: Aslef official blames the 'bizarre' negotiating tactics of London Underground.
The United Nations Human Rights Office voiced its deep concern over the worsening human rights.
Chancellor also gives Iain Duncan Smith an extra year to find £4bn welfare savings.
Greece can become shareholder in Brics' New Development Bank and borrow money, says Russia.
Calls for prime minister to stand down while investigations are on-going.
Budget constraints could also drive 17,000 civilian employees out of their jobs in the next two years.
The leaders discussed trade, climate change and plans to cooperate on defence.
Chancellor of the Exchequer looks set to raise personal tax allowance to £12,500 by 2020.
Lifting of arms embargo and inspections remain key stumbling blocks.
200,000 highly skilled Greeks below the age of 35 have left since 2010 and 30% of them do not intend to return.