Secondly, if it enters a jet engine the intense heat of the engine can fuse it to the interior of the engine with a caking of hot glass, which ultimately can cause the engine to cut out completely.

BBC: Icelandic volcanic ash alert grounds UK flights

When the rocket at last blasted off on November 15th, the first-stage engine cut out prematurely, forcing the ground crew to destroy it for safety reasons.

ECONOMIST: The land of disappointments

The second-stage engine cut out three minutes too soon, apparently because of a leak caused by a tool left inside it after a test firing two years ago.

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In 2011, the charity's safety boat was stolen and later found wrecked on rocks with its engine cut out.

BBC: Poole Sailability charity hit by second theft