The North's nuclear test "flagrantly violates" worldwide law, Putin said, but he urged talks and not more sanctions.
"The recent self-defence measures by my country, DPRK, are a gift package addressed to none other than the U.S.", Han told a disarmament conference, using the acronym for North Korea's formal name, the Democratic People's Republic of Korea. "It would be great if something else could be worked out".
Washington has proposed a new UN Security Council resolution, according to a UN diplomat, to punish North Korea by freezing the assets of Kim Jong Un and members of the ruling Worker's Party of Korea, fully banning exports of oil to North Korea, banning all textile imports from North Korea and banning North Korean laborers from generating earnings overseas. But we will not be putting up with what's happening in North Korea.
The growing nuclear threat from North Korea has quickly become one of the largest challenges facing Trump.
The official, who was briefing reporters on condition of anonymity under ground rules set by the administration, said the United States remains focused on building worldwide pressure on North Korea rather than seeking talks.
China - the main economic lifeline for North Korea - has always been hesitant to completely cut off the crude oil supply to North Korea, anxious that economic instability could bring a flood of refugees to the Chinese border and the potential fall of its ally North Korea to USA ally South Korea.
China's state news agency says Xi expressed China's adamant position about "resolving the nuclear issue through talks". The other half is dialogue and negotiation.
North Korea's minister of external economic relations, who is at the forum, said his country will "respond to barbaric attempts to exert pressure by the USA by our strong countermeasures", according to the Russian state-run news agency Tass.
Gurugram: Police register case after Class 2 student found dead in school
The killer attempted to sexually abuse the 7-year-old school student, the PTI quoted Gurugram Police officials as saying. Earlier, the father of the victim had said that it was a "clear case of murder".
The US is also expected to present a North Korean sanctions resolution at the United Nations, and is aiming for a vote to take place next week, AFP reported on Monday.
A senior North Korean official has lashed out at France after it warned Pyongyang's nuclear ambition could pose a threat to Europe, saying Paris must abandon its own atomic weapons first.
In a riposte, Ri said: "They busied themselves. making preposterous remarks like "the nuclear missile of North Korea are military means that can strike Europe".
The U.S. officially asked the U.N. Security Council to vote on a draft sanctions resolution Monday. That partly explains the recent emphasis by Trump, Defense Secretary Jim Mattis and others on the overwhelming strength of US military capabilities.
State Department spokeswoman Heather Nauert insisted the strategy of applying diplomatic pressure on North Korea, while slow going, is effective.
Meanwhile, Trump's military, diplomacy and intelligence chiefs briefed Congress on the North Korean threat and US strategy to address it. Democrats accused the administration of sending confusing signals to adversaries and allies.
The threat of force and the offer of negotiations can coexist, USA officials said.
The Sunday nuclear test, which Pyongyang said involved a hydrogen bomb which can be mounted on an intercontinental ballistic missile (ICBM), prompted US President Donald Trump to respond by saying that Washington was considering cutting trade with countries which do business with Pyongyang. "Their actions have spoken louder than words. That is plainly clear to us".