France’s high-speed rail network was thrown into chaos, hours before the Olympics opening ceremony in Paris, by a series of coordinated arson attacks. The saboteurs struck away from the capital at five apparently unguarded places. France's state-owned rail company SNCF says the saboteurs vandalised or targeted five signal boxes and electricity installations. France's TGV high-speed train services ground to a halt on major lines and stranded passengers filled the main concourses at Gare Du Nord and Gare Montparnasse, two of the major rail hubs in Paris for travellers on the main lines running north and west of the capital. The caretaker Prime Minister Gabriel Attal said the repercussions for the rail network were massive and serious, and France's intelligence services and forces of order had been deployed to "find and punish those behind these criminal acts". It was not immediately clear who was behind the attacks. The sabotage took place despite a massive security operation to protect the Olympics. Streets in the centre of Paris have been blocked off, metro stations closed and thousands of police, soldiers and other guards deployed to maintain security on the big showpiece day launch the Olympic Games. Reeta Chakrabarti presents BBC News at Ten reporting by Andrew Harding and Gordon Corera. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #BBCNews

In the days after Kamala Harris announced her presidential bid, the Democrats raised more than $100 million. Now, Donald Trump's team has filed a complaint with the Federal Election Commission, challenging whether she can take over Joe Biden's campaign funds. But, where does all this money come from and what is it used for? Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #BBCNews

Ismael "El Mayo" Zambada, the leader of Mexico's Sinaloa cartel, has been arrested by US federal agents in El Paso, Texas. Zambada, 76, founded the criminal organisation with Joaquin "El Chapo" Guzman, who is currently jailed in the US. Arrested with Zambada on Thursday was Guzman's son, Joaquin Guzman Lopez, said the US justice department. In February, Zambada was charged by US prosecutors with a conspiracy to make and distribute fentanyl, a drug more powerful than heroin that has been blamed for the US opioid crisis. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #Mexico #US #BBCNews

A humanitarian crisis has unfolded in the north of Ethiopia, driven by drought, crop failure and continued insecurity in the aftermath of a brutal war. Local officials warned that more than two million people are now at risk of starvation and the BBC has gained exclusive access to some of the worst affected areas in Tigray province. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #Ethiopia #BBCNews

US Vice-President Kamala Harris - who is expected to be the Democratic nominee for November's presidential election - has held what she called "frank and constructive" talks with Israeli Prime Minister Benjamin Netanyahu. Ms Harris said she made clear her "serious concerns" about casualties in Gaza, and told Mr Netanyahu how Israel defended itself mattered. "It is time for this war to end," she said after their face-to-face talks at the White House. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #US #Gaza #Harris #Israel #Netanyahu #BBCNews

Hundreds of thousands of people have been evacuated from their homes as Typhoon Gaemi has made landfall in mainland China. It comes after widespread flooding and landslides across Taiwan and the Philippines, which killed at least 21 people. The Philippines says it is "racing against time" to contain an oil spill after a tanker carrying 1.5 million litres of industrial fuel capsized and sank off of the country's coast. China activated its highest-tier disaster warning as the storm made its way to its shores, and Chinese President Xi Jinping chaired a meeting with the Communist Party's top leadership on flood control and disaster relief plans, state media reported. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #TyphoonGaemi #China #BBCNews

A series of fires have hit French high-speed rail lines, hours before the Paris Olympics opening ceremony. Rail company SNCF said it is a "massive attack aimed at paralysing the network" and France's transport minister condemned the "co-ordinated malicious acts". Some 800,000 customers are affected with disruption expected all weekend, the rail firm said. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #Olympics #Paris #BBCNews

Barack Obama has endorsed Vice-President Kamala Harris to be the Democratic presidential nominee, ending days of speculation over whether he would support her. Former President Obama and ex-First Lady Michelle Obama said in a joint statement that they believe Ms Harris has the "vision, the character, and the strength that this critical moment demands". Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #US #Obama #Harris #BBCNews

Paris is set to host the opening ceremony of the 2024 Olympic Games, with athletes and dignitaries set to be carried down the River Seine on a flotilla. But, with the eyes of the world watching, a mammoth security operation has been put in place, involving tens of thousands of police. In the hours before the ceremony, French rail company SNCF has said its high-speed network has been targeted by "malicious acts" aimed at paralysing the system. More than 300,000 spectators are expected in the heart of Paris for the event, which will see more than 10,000 athletes carried past some of the city’s most iconic landmarks, including Notre-Dame cathedral and the Eiffel Tower - before reaching the Trocadéro. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #OlympicGames #Paris2024 #BBCNews

An array of tools powered by artificial intelligence (AI) are under development or already in use in the defence sector. For instance, BAE Systems, a global defence contracting company, has unveiled the industry’s first AI-powered learning system that aims to instruct military trainees to be “mission-ready” faster. Blending human and machine intelligence, AI weaponisation in warfare, such as autonomous weapons, can improve military capabilities via rapid data processing and more accurate targeting. However, researchers and critics caution against this appetite for the acceleration of AI in the defence industry, noting that several of these development companies operate without checks on transparency and accountability. AI presenter Priya Lakhani joins this week’s AI Decoded to discuss the military use of AI-enabled weapons. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #Technology #War #BBCNews

North Korean hackers are attempting to steal nuclear and military secrets from governments and private companies around the world, the UK, US and South Korea have warned. They say the group - known by the names Andariel and Onyx Sleet - is targeting defence, aerospace, nuclear and engineering entities to obtain classified information. The nations added the group aimed to advance Pyongyang’s military and nuclear programs and ambitions. US air force bases, Nasa and defence companies are said to have been targeted. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #NorthKorea #Hackers #BBCNews

UK Foreign Secretary David Lammy has agreed a new security partnership with India designed to unlock investment in emerging technologies. On a visit to the country, Mr Lammy met Prime Minister Narendra Modi and told the BBC that Britain would work with India to agree a free trade deal in the coming months. The BBC's diplomatic correspondent, James Landale, was the only journalist travelling with Mr Lammy and sent this report from New Delhi. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #India #BBCNews #India #BBCNews