Diesel fuel fell about 300 ft from a tower crane, according to the New York City Dept. of Buildings.

OSHA records describe alleged errors in crane assemblies.

Seeing parallels to a fatal crane accident in Texas in 2012, crane specialist Terry McGettigan believes the Seattle crane collapse will be shown to have similar causes.

In an analysis of three cranes that collapsed in the Miami area as Hurricane Irma passed over Florida, OSHA found that while the cranes were set to spin freely in the wind, all three were a specific model whose jibs may have been vulnerable to turbulent wind vortexes.

Crane accidents are one of the enduring nightmares of construction work, so it is notable that as an industry where regulation often equals costs and entanglements, construction professionals have joined together to support the long-awaited publication date of a new federal safety rule that would make certifying crane operators mandatory.