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Iran-Linked Hackers Shut Down U.K. Power Plant For Four Days

A small U.K. power plant was taken offline for four days in July after a cyberattack reportedly linked to hackers tied to Iran, according to The Telegraph. The incident was not considered a threat to the wider U.K. energy system, according to the government.

U.K. Government Declines To Assign Blame

A government spokesperson declined to identify the facility or confirm who was behind the attack. The government said the incident affected a small-scale generator and did not threaten the wider energy system.

“The U.K. has a highly resilient energy system. We work closely with the energy sector to protect infrastructure and ensure the highest security standards,” the spokesperson told CNBC.

The Department for Energy Security and Net Zero said it had briefed energy executives and written to companies about further measures. The department is also updating cybersecurity regulations for the energy sector.

U.S. Agencies Warned Of Iranian Cyber Activity

The reported attack came as U.S. authorities warned that Iranian cyber actors were targeting critical infrastructure. The Cybersecurity and Infrastructure Security Agency, FBI, Environmental Protection Agency and other agencies said Iranian actors had targeted water facilities across at least seven U.S. states.

U.S. officials have also warned that Iranian cyber groups could target businesses and infrastructure in response to the conflict between the U.S., Israel and Iran.

On Aug. 18, the U.S. Department of Justice charged 17 Iranians over what it described as a “massive cyber theft campaign” carried out on behalf of the Islamic Revolutionary Guard Corps and other Iranian entities.

Iran Has Also Faced Cyberattacks

Iran has also been targeted by major cyberattacks. In June, blockchain analytics firm Elliptic said hackers stole more than $90 million from Nobitex, Iran’s largest cryptocurrency exchange.

According to Elliptic, the funds were moved from Nobitex wallets to addresses containing messages referencing the Islamic Revolutionary Guard Corps. The pro-Israel hacking group Gonjeshke Darande, also known as Predatory Sparrow, claimed responsibility for the attack.

The reported U.K. incident adds to a series of cyberattacks involving critical infrastructure and state-linked actors. Energy companies and other infrastructure operators are facing growing pressure to strengthen defenses as cyber operations become increasingly tied to geopolitical conflicts.

Europe’s Deadly Summer Heat Exposed The Cost Of A Warming Continent

Europe experienced its deadliest summer for heat-related deaths on record in 2026, with an estimated 24,400 excess deaths linked to extreme temperatures across 30 countries. Researchers estimate that human-induced climate change was responsible for around 32,000 of the deaths attributed to heat in the study’s broader analysis, accounting for 65% of the total.

The findings highlight the growing public-health consequences of global warming, largely driven by fossil fuel use, as extreme heat becomes more frequent and severe.

A Summer Of Dangerous Heat

Between June and August, heatwaves pushed temperatures in Western Europe to an average of 2.9°C above the 1991–2020 norm, with some days reaching 12°C above average. Nearly a third of estimated heat-related deaths occurred during a particularly intense heatwave between 17 June and 1 July.

“These numbers are a stark reminder that our hotter, more extreme summers are having an increasingly severe impact on public health,” said Dr Clair Barnes, a researcher at Imperial College London and co-author of the study.

The estimated toll exceeded previous peaks of around 29,000 deaths in summer 2022 and 28,000 in 2003 across the region studied.

How Researchers Estimated The Toll

Researchers modelled the relationship between temperature and mortality across 854 urban areas in the EU, UK, Norway and Switzerland, covering around 40% of the population in the 30 countries studied.

The analysis incorporated temperature records, age, socioeconomic conditions, environmental factors and access to healthcare. By comparing actual temperatures with those expected without human-induced warming, the team estimated the additional deaths attributable to climate change.

Final official mortality figures for summer 2026 are not yet available in many countries, and heat-related deaths are often underreported because their effects can be difficult to identify directly.

Older People Face The Greatest Risk

People aged 85 and over accounted for roughly half of the estimated deaths. However, the impact extended across age groups, with around 800 excess deaths among adults aged 20–44 and approximately 6,000 among people under 65.

Southern Europe experienced the highest mortality burden, reflecting hotter temperatures and other vulnerabilities, including air pollution, limited green space and unequal access to healthcare and heat-alert systems.

Italy, France And Spain Record Highest Toll

Italy recorded an estimated 13,303 heat-related excess deaths, followed by France with 7,268 and Spain with 6,824. Germany recorded around 6,340, while the UK saw an estimated 4,354 deaths.

In the UK, the heat also placed significant pressure on healthcare services. Andrew Hartle, Professor of Practice of Anaesthesia at Imperial College Healthcare, said demand during the summer resembled that of a severe winter virus season.

Cities Urged To Strengthen Heat Protection

Researchers say cities can reduce the risks through climate shelters, external shading and building retrofits, alongside measures to help residents avoid exposure during the hottest hours. Checking on vulnerable people, staying hydrated and following heat alerts are also important.

The researchers stress that adaptation must go hand in hand with reducing fossil fuel use to limit further warming. The findings underline that extreme heat is already a major public-health threat across Europe, with thousands of lives at risk each summer.

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