Police officers check authorizations at a check point Thursday, July 18, 2024 in Paris. A special kind of iron curtain came down across central Paris on Thursday, with the beginning of an Olympic anti-terrorism perimeter along the banks of the River Seine sealing off a kilometers-long (miles-long) area to Parisians and tourists who hadn't applied in advance for a pass. (AP Photo/David Goldman)
Severine Hiver, right, gets help from officer Romane Rouseel to carry her daughter, Sacha, 2, up a staircase in her stroller while navigating around a security area closed off for the 2024 Summer Olympics, Thursday, July 18, 2024, in Paris. A special kind of iron curtain came down across central Paris on Thursday, with the beginning of an Olympic anti-terrorism perimeter along the banks of the River Seine sealing off a kilometers-long (miles-long) area to Parisians and tourists who hadn't applied in advance for a pass. (AP Photo/David Goldman)
A police officer checks people at the security perimeter set up for the Olympic Games, outside Notre Dame cathedral, Thursday, July 18, 2024 in Paris. Starting Thursday, parts of the French capital will only be accessible to people who have registered for a QR code, as part of the massive security operation ahead of the Paris 2024 Olympic Games. (AP Photo/David Goldman)
Soldiers patrol on a footbridge over the Seine river, Wednesday, July 17, 2024 in Paris. France's armed forces held a demonstration of the security measures planned on the River Seine, both in and out of the water, to make it safe for athletes and spectators during the opening ceremony of the Paris Olympics. Organizers have planned a parade of about 10,000 athletes through the heart of the French capital on boats on the Seine along a 6-kilometer (3.7-mile) route at sunset on July 26. (AP Photo/Aurelien Morissard)
A cyclist argues with police officers near Le Louvre museum at the security perimeter set up for the Olympic Games, Thursday, July 18, 2024 in Paris. A special kind of iron curtain came down across central Paris on Thursday, with the beginning of an Olympic anti-terrorism perimeter along the banks of the River Seine sealing off a kilometers-long (miles-long) area to Parisians and tourists who hadn't applied in advance for a pass. (AP Photo/David Goldman)
Police officers check vehicles at the security perimeter set up for the Olympic Games, Thursday, July 18, 2024 in Paris. A special kind of iron curtain came down across central Paris on Thursday, with the beginning of an Olympic anti-terrorism perimeter along the banks of the River Seine sealing off a kilometers-long (miles-long) area to Parisians and tourists who hadn't applied in advance for a pass. (AP Photo/David Goldman)
A man walks on the Louis Philippe bridge inside the security perimeter set up for the Olympic Games, Thursday, July 18, 2024 in Paris. Starting Thursday, parts of the French capital will only be accessible to people who have registered for a QR code, as part of the massive security operation ahead of the Paris 2024 Olympic Games. (AP Photo/David Goldman)
Police officers guide pedestrians to other areas at a security checkpoint near the statue of Joan of Arc, background, Thursday, July 18, 2024 in Paris. A special kind of iron curtain came down across central Paris on Thursday, with the beginning of an Olympic anti-terrorism perimeter along the banks of the River Seine sealing off a kilometers-long (miles-long) area to Parisians and tourists who hadn't applied in advance for a pass. (AP Photo/David Goldman)
People watch Notre Dame cathedral from outside the security zone set up for the Olympic Games, Thursday, July 18, 2024 in Paris. Starting Thursday, parts of the French capital will only be accessible to people who have registered for a QR code, as part of the massive security operation ahead of the Paris 2024 Olympic Games. (AP Photo/David Goldman)
A woman speaks to a police officer at the security perimeter set up for the Olympic Games, Thursday, July 18, 2024 in Paris. A special kind of iron curtain came down across central Paris on Thursday, with the beginning of an Olympic anti-terrorism perimeter along the banks of the River Seine sealing off a kilometers-long (miles-long) area to Parisians and tourists who hadn't applied in advance for a pass. (AP Photo/David Goldman)
Passengers in the back of a taxi film themselves as they leave the Eiffel Tower decorated with the Olympic rings ahead of the 2024 Summer Olympics, Wednesday, July 17, 2024, in Paris. (AP Photo/David Goldman)
Soldiers patrol on a footbridge over the Seine river ,Wednesday, July 17, 2024 in Paris. France's armed forces held a demonstration of the security measures planned on the River Seine, both in and out of the water, to make it safe for athletes and spectators during the opening ceremony of the Paris Olympics. Organizers have planned a parade of about 10,000 athletes through the heart of the French capital on boats on the Seine along a 6-kilometer (3.7-mile) route at sunset on July 26. (AP Photo/Aurelien Morissard)
Mounted police officers patrol inside the security perimeter set up for the Olympic Games, Thursday, July 18, 2024 in Paris. Starting Thursday, parts of the French capital will only be accessible to people who have registered for a QR code, as part of the massive security operation ahead of the Paris 2024 Olympic Games. (AP Photo/David Goldman)
Police officers check people at the security perimeter set up for the Olympic Games, outside Notre Dame cathedral, Thursday, July 18, 2024 in Paris. Starting Thursday, parts of the French capital will only be accessible to people who have registered for a QR code, as part of the massive security operation ahead of the Paris 2024 Olympic Games. (AP Photo/David Goldman)
Severine Hiver, right, gets help from officer Romane Rouseel to carry her daughter, Sacha, 2, down a staircase in her stroller while navigating around a security area closed off for the 2024 Summer Olympics, Thursday, July 18, 2024, in Paris. A special kind of iron curtain came down across central Paris on Thursday, with the beginning of an Olympic anti-terrorism perimeter along the banks of the River Seine sealing off a kilometers-long (miles-long) area to Parisians and tourists who hadn't applied in advance for a pass. (AP Photo/David Goldman)