by Leila Macor Agence France-Presse MIAMI, United States (AFP) — The chief engineer of a Florida bridge project warned authorities of cracking in the structure days before it collapsed, killing at least six people, the southern US state’s department of transportation said Friday. Chief engineer Denney Pate left a voicemail on a Florida Department of Transportation employee’s landline on March 13, two days before the pedestrian walkway came crashing down on the major road beneath, […]