Russian air defense units destroyed a swarm of Ukrainian drones targeting Moscow for the second night in a row, prompting the closure of the capital’s airports, Russian officials said early on Tuesday.
Mayor Sergei Sobyanin said that at least 19 Ukrainian drones were destroyed on their approach to Moscow “from different directions.”
“At the sites where fragments fell, there was no destruction or casualties,” Sobyanin wrote on the Telegram messaging app. “Specialists from the emergency services are working at the sites where the incidents occurred.”
Some of the debris had landed on one of the key highways leading into the city, he said.
Russia’s aviation watchdog Rosaviatsia said on Telegram it had halted flights at all four airports that serve Moscow. Airports in a number of regional cities were also closed.
On Tuesday, Russia’s air defense units destroyed four Ukrainian drones on their approach to Moscow, with no damage or injuries reported.
The war began more than three years ago when Russia invaded Ukraine, a move Moscow described as a special military operation. Since then, Kyiv has launched several drone attacks on Moscow. Its biggest attack in March killed three people.
There was no immediate comment from Kyiv about the latest drone attack. Ukraine says its drone attacks are aimed at destroying infrastructure key to Moscow’s overall war efforts and are in response to Russia’s continued assault on Ukrainian territory, including residential areas and energy infrastructure.

SAN FRANCISCO: OpenAI CEO Sam Altman announced Monday that the company behind ChatGPT will continue to be run as a nonprofit, abandoning a contested plan to convert into a for-profit organization.
The structural issue had become a significant point of contention for the artificial intelligence (AI) pioneer, with major investors pushing for the change to better secure their returns.
AI safety advocates had expressed concerns about pursuing substantial profits from such powerful technology without the oversight of a nonprofit board of directors acting in society’s interest rather than for shareholder profits.
“OpenAI is not a normal company and never will be,” Altman wrote in an email to staff posted on the company’s website.
“We made the decision for the nonprofit to stay in control after hearing from civic leaders and having discussions with the offices of the Attorneys General of California and Delaware,” he added.
OpenAI was founded as a nonprofit in 2015 and later created a “capped” for-profit entity allowing limited profit-making to attract investors, with cloud computing giant Microsoft becoming the largest early backer.
This arrangement nearly collapsed in 2023 when the board unexpectedly fired Altman. Staff revolted, leading to Altman’s reinstatement while those responsible for his dismissal departed.
Alarmed by the instability, investors demanded OpenAI transition to a more traditional for-profit structure within two years.
Under its initial reform plan revealed last year, OpenAI would have become an outright for-profit public benefit corporation (PBC), reassuring investors considering the tens of billions of dollars necessary to fulfill the company’s ambitions.
Any status change, however, requires approval from state governments in California and Delaware, where the company is headquartered and registered, respectively.
The plan faced strong criticism from AI safety activists and co-founder Elon Musk, who sued the company he left in 2018, claiming the proposal violated its founding philosophy.
In the revised plan, OpenAI’s money-making arm will now be fully open to generate profits but, crucially, will remain under the nonprofit board’s supervision.
“We believe this sets us up to continue to make rapid, safe progress and to put great AI in the hands of everyone,” Altman said.
OpenAI’s major investors will likely have a say in this proposal, with Japanese investment giant SoftBank having made the change to being a for-profit a condition for their massive $30 billion investment announced on March 31.
In an official document, SoftBank stated its total investment could be reduced to $20 billion if OpenAI does not restructure into a for-profit entity by year-end.
The substantial cash injections are needed to cover OpenAI’s colossal computing requirements to build increasingly energy-intensive and complex AI models.
The company’s original vision did not contemplate “the needs for hundreds of billions of dollars of compute to train models and serve users,” Altman said.
SoftBank’s contribution in March represented the majority of the $40 billion raised in a funding round that valued the ChatGPT maker at $300 billion, marking the largest capital-raising event ever for a startup.
The company, led by Altman, has become one of Silicon Valley’s most successful startups, propelled to prominence in 2022 with the release of ChatGPT, its generative AI chatbot.