"We hope that all relevant parties could exercise restraint and refrain from heightening tensions on the Korean Peninsula and provoking each other".
"Series of violent war remarks coming from the USA high-level politicians amid such circumstances have made an outbreak of war on the Korean peninsula an established fact", the spokesperson said.
North Korea's state media confirmed the arrival of Mr Feltman and his entourage late on Tuesday without offering more details, later issuing a photograph of him and two members of his team.
The combined B-1 and F-22 drill represents a step up in the normal tit for tat between the USA and North Korea.
That prompted North Korea's Foreign Minister, Mr Ri Yong Ho, to warn that the North could shoot down the United States bombers even if they did not enter North Korean airspace.
Tensions have risen markedly in recent months over North Korea's development, in defiance of repeated rounds of UN sanctions, of nuclear-tipped missiles capable of reaching the United States.
North Korea FM: US Threats Make War Unavoidable
Moscow also believes it is Washington's saber-rattling and regular military drills in the region that are "provoking Pyongyang into taking some rash action" after months of restraint, Russian Foreign Minister Sergey Lavrov said following the country's latest ballistic missile test. Threats from various USA officials are serving the same goal, Lavrov added.
The article notably said President Donald Trump is "running wild", "insane" and "bluffing" when condemning inter-continental ballistic missile (ICBM) tests.
South Korea's Joint Chiefs of Staff said last night's drills simulated land strikes at a military field near South Korea's eastern coast during a drill with US and South Korean fighter jets.
Russian Foreign Minister Sergey Lavrov offered to help facilitate U.S. The Pentagon has mounted repeated shows of force after North Korean tests.
In response to a huge U.S. military exercise over South Korea, the rogue state said: 'We will make the USA dearly pay the consequences with our mighty nuclear force'.
"Several B-1B Lancer in support of F-22 Raptor conducted training maneuvers with the bombing, demonstrating the ability and determination of the allies to give a tough response to North Korea's missile and nuclear provocations", - stated in the message.
Both sides insist they don't want war, while saying they will act to defend themselves. Feltman met North Korean foreign minister Ri Yong Ho on Thursday, North Korea's official KCNA news agency said.
Bayonetta 3 will be a Nintendo Switch exclusive
They didn't show much, but clearly there will be a lot of bullets flying, either in slow motion or in bullet hell style. Along with the announcement of Bayonetta ports for Nintendo Switch, he announced something more, something huge.