Mr Kim has said North Korea can target the USA "anytime and neither Guam, Hawaii nor the mainland can dodge the merciless strike".
"The Trump group's declaration of the reckless nuclear war exercises against North Korea.is a reckless behaviour driving the situation into the uncontrollable phase of a nuclear war", the daily said.
About 17,500 USA troops will participate in this year's drills - a cutback from last year - according to numbers provided by Seoul's defence ministry. North Korea has long denounced the drills as a war rehearsal for a northern invasion, reports Yonhap News Agency.
Analysts say all eyes will be on the annual war games, which could send tensions spiralling back up after an earlier war of words between the USA and North Korea looked to have cooled off slightly.
The saber-rattling rhetoric was the latest example of escalating tensions between the US and North Korea over its pursuit of a nuclear weapon.
Both involve land, sea and air military drills and computer simulations.
The exercise involves 17,500 American troops and 50,000 South Korean soldiers, according to the USA military command in South Korea and Seoul's defence ministry.
The Rodong Sinmun, the official newspaper of North Korea's ruling party, said yesterday in an editorial that the United States moves to place the toughest sanctions on it and launch military provocations have made the situation on the peninsula extremely tense.
Body of female stabbing victim located in North York's Derrydowns Park
Browne said a set of tire tracks were found near the entrance of the park in a place where one wouldn't expect to find tire marks. Her husband does not live in Canada. "It indicates that maybe she died in some kind of violence".
The latest sanctions were imposed after North Korea tested two intercontinental ballistic missiles in July.
US, North Korea war of words: Where is this heading?
Are we trying to publicise them and put some kind of military psychological pressure on (North Korea), or will we keep it low-key and business-like?
The idea the USA would not initiate hostilities with the North over the objections of the South has become firmly established, analysts say.
North Korean leader Kim Jong Un reviews the plan for landing missiles near the USA territory of Guam in this undated still photo taken from video provided by KRT.
The United States has about 28,000 troops in South Korea.
But US Defense Secretary James Mattis said Sunday the smaller troop numbers were "by design to achieve the exercise objectives", denying suggestions Washington had cut them back to try to ease tensions with Pyongyang.
Seven other member states of the UN Command - Australia, Canada, Colombia, Denmark, New Zealand, the Netherlands and Britain - are also taking part.
South Korea's president, Moon Jae-in, said on Monday the drills are defensive in nature. Russian Federation has also asked for the drills to stop but the United States has not backed down.
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