This photo released by the Italian firefighters shows a helicopter view of the explosion on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
This photo released by the Italian firefighters shows a helicopter view of the explosion on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
This frame grab taken from a video shows the moment a truck that was transporting flammable substances explodes after colliding with another truck on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
This frame grab taken from a video shows the moment a truck that was transporting flammable substances explodes after colliding with another truck on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
This frame grab taken from a video shows the moment a truck that was transporting flammable substances explodes after colliding with another truck on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
This frame grab taken from a video shows the moment a truck that was transporting flammable substances explodes after colliding with another truck on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
This frame grab taken from a video shows the moment a truck that was transporting flammable substances explodes after colliding with another truck on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
Firefighters work at the site of an explosion on a highway in the outskirts of Bologna, Italy, Aug. 6, 2018. The explosion killed at least two people and injured up to 70 as a section of the thoroughfare collapsed, police said. (Photo/Agencies)
