Serious debate about how the West might react has been ignited by President Vladimir Putin's warning to use a nuclear weapon in Ukraine if Russian "territorial integrity" is threatened.

Explained: Can Putin actually unleash nuclear weapons on Ukraine?

Japan will restart more idled nuclear plants and look at developing next-generation reactors, Prime Minister Fumio Kishida said on Wednesday, setting the stage for a major policy shift on nuclear energy a decade after the Fukushima disaster.

In major shift, Japan signals return to nuclear power to stabilise energy supply

United Nations Secretary-General Antonio Guterres on Monday (August 1) said that a small misunderstanding can cause nuclear annihilation of humanity. His words came as the US, Britain and France urged Russia to stop "its dangerous nuclear rhetoric and behaviour.

UN Secretary-General Antonio Guterres warns of 'nuclear annihilation'

Iran on Thursday issued a warning to the United States as president Joe Biden and the Israeli prime minister Yair Lapid signed a joint pledge to deny Iran any kind of nuclear arms.

'Any mistake made in this region will be met with harsh and regrettable response,' Iran warns US

US President Joe Biden said that he would force as a 'last resort' in order to prevent Iran from getting nuclear weapons, the President is currently in West Asia and due to travel to Saudi Arabia.

Joe Biden: Do not want Iran to get nuclear weapons, force will be 'our last resort'

In an interview aired Wednesday (July 13), United States President Joe Biden said that former President Donald Trump made a "gigantic mistake" withdrawing the US from the Iran nuclear deal.

Joe Biden says use of force 'last resort' to keep Iran from nuclear weapons

Top US intelligence officials said that Russian President Vladimir Putin is unlikely to use nuclear weapons unless he feels an 'existential threat' to the Russian state amid the ongoing Russian invasion of Ukraine.

US Intel officials: Putin unlikely to use nuclear weapons unless he feels an 'existential threat'

South Korea's new President Yoon Suk-yeol in his inauguration speech in Seoul after being sworn in, offered a door to dialogue with North Korea but on a few conditions. Listen in.

Watch: South Korea's new President Yoon Suk-yeol speaks on North Korea’s nuclear weapons program

North Korea's leader Kim Jong-Un has vowed to strengthen and also further develop the country's nuclear weapons program. The North Korean leader was speaking in Pyongyang at a high-profile military parade to mark the 90th anniversary of the founding of the country's army.

North Korean leader Kim Jong-un vows to bolster nuclear weapons

North Korea celebrated the 110th anniversary of the birth of late founder Kim Il Sung on Friday with fireworks, a procession, and an evening gala in Pyongyang's main square, with thousands of people in colourful traditional dress singing and dancing.

North Korea celebrates founder's birthday with dance, music but no military parade

Russia warned Sweden and Finland that if they joined NATO, then it will deploy nuclear weapons in hypersonic missiles in the heart of Europe. Russia's invasion of Ukraine is pushing Finland and Sweden towards NATO

Russia warns of Nuke and Hypersonic deployment to Baltic

CIA chief William Burns said on Thursday that Russian President Vladimir Putin may use a tactical or low-yield nuclear weapon especially since Russia has faced setbacks in its invasion of Ukraine.

Desperate Putin may use nuclear weapons, says CIA chief

US says that North Korea could be planning a big show of its growing nuclear weapons on April 15. In recent times, Pyongyang began a series of missile tests since President came to power conducting 13 missile tests. North Korea has ignored US overtures for talks

US : North Korea could hold its nuclear weapons test next week

Amid the ongoing Ukrainian Crisis, Poland Deputy Prime Minister said the nation is open to idea of U.S. deploying tactical Nuclear weapons on its soil

Amid Russia-Ukraine Crisis Poland hints at hosting nuclear warheads

The United States on Friday imposed sanctions on five entities it accused of providing support to North Korea's development of weapons of mass destruction and ballistic missile programs, increasing pressure on Pyongyang following a recent series of missile launches.

US issues fresh North Korea sanctions after recent missile launches

Here's a look at countries that possess Nuclear weapons and how many warheads are at their disposal amid the growing tensions between the West and Russia.

Nuclear war: Putin's threat or rhetoric? Who has how many nuclear warheads?

An epic blunder by Belarusian leader Alexander Lukashenko has revealed Putin's military strategy in eastern Europe. Lukashenko's map appeared to show a planned Russian offensive on Moldova. Could this ex-Soviet state be Putin's next target? Palki Sharma tells you.

Gravitas: Belarus leader's blunder reveals Putin's masterplan

Belarusians have voted in a constitutional referendum allowing the former soviet republic to host nuclear weapons. The constitutional reforms also extend the rule of leader Alexander Lukashenko, the amendments would reinstate presidential term limits to two five-year terms but that will only apply to the next elected president.

Belarus to give up non-nuclear status amid Russian invasion of Ukraine

Russia is stepping up its deployments around Ukraine. Moscow has now moved troops to Belarus. The US says Russian troops could now be deployed permanently and with nuclear weapons. Will the West go to war with Russia over Ukraine? Palki Sharma tells you more.

Gravitas: Ukraine on target of Russian Nukes?

Iran is five years away from developing a nuclear weapon, and international talks due to restart next week will do nothing to slow it down, Israel said on Tuesday, adding it reserved the right to act to protect itself.

Israel: Iran nuke program at the most advanced stage

India feels confident in its strategic deterrent capabilities, which would be bolstered by the continuing induction of Agni-V missiles and the commissioning of nuclear submarines, despite being behind China and Pakistan in terms of nuclear weapons.

India has less nukes than Pakistan, China: New analysis of capabilities

Former US NSA John Bolton believes terrorists in Pakistan could topple the government and gain access to 150 nuclear warheads. What does this mean for neighbours like India? How will the world confront 'nuclear terror'? Molly Gambhir tells you

Gravitas: Can terrorists get Pakistani nukes?

In a conversation on WABC 770 radio station, former US national security advisor John Bolton said on Sunday that Taliban may obtain nuclear weapons from Pakistan.

Taliban may obtain nuclear weapons from Pakistan, says former US national security advisor John Bolton

US President Joe Biden, in a meeting on Monday with Israeli President Reuven Rivlin, said his commitment to Israel is "iron-clad" and he looks forward to meeting with new Israeli Prime Minister Naftali Bennett soon.

Biden vows to Israel: No nuclear weapon for Iran on my watch

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