Britain's King Charles III and Queen Camilla have arrived in the US for a four-day state visit. President Donald Trump and the First Lady welcomed the royal couple in the White House on Monday. Charles is due to give a speech before Congress today Tuesday. Commentators debate whether the King can rescue the strained relationship between the US and the UK.

The ousted Hungarian Prime Minister Viktor Orbán has resigned his parliamentary seat. He says he wants to focus on "reshaping the nationalist movement" and will continue to lead the Fidesz party. His successor Péter Magyar, however, has warned that a "mafia" that had formed around Orbán is now planning to flee the country, taking their billions with them.

The Social Democrats (PSD) and the far-right AUR party have announced plans to table a motion of no confidence against the government of Liberal Prime Minister Ilie Bolojan. The move follows the resignation of six Social Democratic ministers and the PSD Deputy Prime Minister in protest at a major austerity package. Commentators discuss the background and consequences.

The US tech company Palantir has published a 'manifesto' by CEO Alex Karp on X which has sparked a furore. The development of AI weapons is inevitable and the US must secure dominance in AI-based deterrence, it states. It also mentions the need to address the fact that different cultures have different levels of success. Critics are calling it the dawn of technofascism.

The Estonian Olympic Committee (EOC) voted to remove EOK President Kersti Kaljulaid from office – making her the first president to be ousted in the organisation's 102-year history. Opposition to Kaljulaid, who was Estonia's president from 2016 to 2021, had intensified over her efforts to increase transparency into the EOC's finances.

Forty years ago, Chernobyl, which was still part of the USSR at the time, was the site of the worst accident in the history of nuclear energy. A series of technical errors caused the reactor in Block 4 to explode on 26 April 1986. The leaked radioactivity spread across the whole of Europe and can still be detected today – in mushrooms, the bodies of wild animals and the forest floor. Commentators discuss the use of nuclear energy, then and now.

US President Donald Trump, his wife Melania Trump and several members of his administration had to be escorted to safety after shots were fired at the annual Correspondents' Dinner in Washington at the weekend. A 31-year-old man who was reportedly carrying a shotgun, a handgun and several knives has been arrested. Commentators examine the ramifications of the attack.

German Defence Minister Boris Pistorius (SPD) has presented a military strategy that aims to make the Bundeswehr "Europe's strongest conventional army", and explicitly named Russia as a threat. The number of active-duty soldiers is to rise from the current 185,000 to 260,000 by 2035, with the number of reservists increasing to 200,000.

At the Delphi Economic Forum Europe's Chief Prosecutor Laura Kövesi spoke about tensions between the Greek government and European prosecutors investigating alleged misuse of European funds. A number of Greek officials have accused her of political interference. At the same time Kövesi rejected statements by government officials saying that Greeks accept corruption as a way of life.

EU leaders have given the green light for a 90-billion-euro loan for Kyiv at their summit in Cyprus after Ukraine repaired the Druzhba pipeline and Hungary dropped its veto. Ukrainian president Volodymyr Zelensky praised the decision and called for his country to receive EU membership as quickly as possible.

Spain is facing a severe housing shortage and the government has now approved a housing plan that aims to triple the number of affordable homes and protect them from property speculation. Meanwhile, Ireland is taking a different approach: under a proposed bill, garden sheds could soon be built and rented out without planning permission. The media in both countries take a closer look at the initiatives.

Romania's four-party governing coalition has collapsed after six ministers and the deputy prime minister from the Social Democratic Party (PSD) resigned over austerity measures planned by Prime Minister Ilie Bolojan and his PNL party. Bolojan has rejected the PSD's demands for his resignation and said that he will lead a minority government. Bucharest is under pressure to reduce its budget deficit and debt, and it faces the prospect of cuts to EU funding if it fails.