Four killed as supersized crane collapses on oil refinery workers

Four workers were killed and two others are in hospital today after one of the world’s largest cranes collapsed at a U.S. oil refinery.

Five other workers were also hurt when the 300ft crane – capable of lifting a massive 500 tons – toppled in Houston, Texas.

The crane fell on top of a smaller crane and a workers’ rest tent, but officials at the 700-acre refinery are still unsure whether the casualties had been on the larger crane or underneath it when it collapsed.

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