South Korea's government

CNBC - President Donald Trump canceled his historic nuclear summit with Kim Jong Un on Thursday, accusing North Korea of "tremendous anger and open hostility."

The meeting, which would have marked the first face-to-face encounter between a sitting U.S. president and a North Korean leader, was set for June 12 in Singapore.

South Korea's government said on Thursday it plans to ban cryptocurrency trading, sending bitcoin prices plummeting and throwing the virtual coin market into turmoil as the nation's police and tax authorities raided local exchanges on alleged tax evasion./Reuters

The Defence Ministry of South Korea expressed its concern over the growing cyber army of North Korea and the progress its rival has made in nuclear weapons.

According to the claims, North Korea has a 6000-strong cyber army dedicated to disrupting South Korea's government and military, the Guardian reports.