AP Photo/The Houston Chronicle, Steve Ueckert - A collapsed crane is visible within the LyondellBasell Houston Refinery, Friday in Houston. One of the nation’s largest mobile cranes collapsed at a ...

HOUSTON (AP) -- A crane collapsed today at a Houston refinery, killing four contract workers. A company vice president said six other workers were hurt. The crane, capable of lifting 400 tons, toppled ...

HOUSTON — One of the nation’s largest mobile cranes collapsed at a Houston oil refinery today, killing four workers and injuring seven others in the latest of several fatal accidents that have raised ...

The largest mobile crane in the nation collapsed at a Houston oil refinery Friday, killing four workers and injuring six others in the latest of several fatal accidents that have raised concerns about ...

Eds: Recasts lead; CORRECTS Roecker’s first name, Jim not John. Adds detail from scene, comment from Deep South. Moving on general news and financial services. HOUSTON (AP) — The largest mobile crane ...

HOUSTON (Reuters) - Four workers were killed when one of the world's largest cranes collapsed at a Houston refinery on Friday afternoon, a refinery spokesman said. Seven workers were also hurt when ...