Police officers stand guard near the Arch of Constantine and the Colosseum in Rome, Italy, March 25, 2024. Italy's Ministry of the Interior said on Saturday that it has ordered the security level at "sensitive" sites to be raised in Rome and other cities, including airports, train stations, as well as key cultural and religious sites. (Xinhua/Li Jing)
A police car parks at the Spanish Square in Rome, Italy, March 24, 2024. Italy's Ministry of the Interior said on Saturday that it has ordered the security level at "sensitive" sites to be raised in Rome and other cities, including airports, train stations, as well as key cultural and religious sites. (Xinhua/Li Jing)
A police car parks at the Spanish Square in Rome, Italy, March 24, 2024. Italy's Ministry of the Interior said on Saturday that it has ordered the security level at "sensitive" sites to be raised in Rome and other cities, including airports, train stations, as well as key cultural and religious sites. (Xinhua/Li Jing)
Police officers work at the Spanish Square in Rome, Italy, March 24, 2024. Italy's Ministry of the Interior said on Saturday that it has ordered the security level at "sensitive" sites to be raised in Rome and other cities, including airports, train stations, as well as key cultural and religious sites. (Xinhua/Li Jing)
A police car parks at the Spanish Square in Rome, Italy, March 24, 2024. Italy's Ministry of the Interior said on Saturday that it has ordered the security level at "sensitive" sites to be raised in Rome and other cities, including airports, train stations, as well as key cultural and religious sites. (Xinhua/Li Jing)
A police car parks at the Spanish Square in Rome, Italy, March 24, 2024. Italy's Ministry of the Interior said on Saturday that it has ordered the security level at "sensitive" sites to be raised in Rome and other cities, including airports, train stations, as well as key cultural and religious sites. (Xinhua/Li Jing)
Italian soldiers stand guard in front of the Arch of Constantine in Rome, Italy, March 25, 2024. Italy's Ministry of the Interior said on Saturday that it has ordered the security level at "sensitive" sites to be raised in Rome and other cities, including airports, train stations, as well as key cultural and religious sites. (Xinhua/Li Jing)
