South Korea said on Friday it had scrambled military jets to intercept two Russian military aircraft that entered the South's air defence territory four times through the day.
US envoy Sung Kim held talks with North Korean officials on Sunday in the border village of Panmunjom within the demilitarized zone between the North and South Korea, South Korean media reported on Sunday.
Jim Mattis, during a brief visit to Seoul, defended US President Donald Trump's decision this month to halt "war games" with South Korea.
Cho Yang-ho, 69, and his brothers and a sister allegedly avoided paying 50bn won ($45mn) in taxes on the overseas assets they inherited after their father Cho Choong-hoon died in 2002.
Champions Germany were sent crashing out of the World Cup after suffering a stunning 2-0 defeat by a tenacious South Korea on Wednesday that saw them eliminated in the first round for the first time in 80 years.
Carlos Vela's penalty and a superbly-taken breakaway goal by Javier Hernandez gave Mexico a 2-1 World Cup Group F win over South Korea on Saturday which put them on the brink of a place in the last 16.
Hyper-wired South Korea has emerged as a hotbed of trading in virtual units.
A VAR-awarded penalty gave Sweden a narrow but deserved victory in their opening Group F match against a poor South Korea side in Nizhny Novgorod on Monday.
The South Korean news agency said the suspension was likely to affect only major joint exercises, not more routine military training.
US Defense Secretary Jim Mattis was not caught off guard by President Donald Trump's announcement that he was suspending military exercises with South Korea, a Pentagon spokeswoman said on Tuesday, adding he was consulted ahead of time.
North Korea suggested during high-level talks on Friday that the two Koreas hold a joint celebration of the anniversary of a historic 2000 inter-Korean summit this month in the South, an official in Seoul said.