The engineering train became uncoupled as it was towed on the Northern Line near Archway station.

BBC: Runaway Northern Line Tube train: Charges brought

Sometimes we want our views or works considered on their own terms, uncoupled from the baggage our real identity.

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It has come uncoupled from common sense.

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As a result, cars going from factories in Detroit to showrooms in Seattle, or grain from the plains heading for the ports of the east coast, have to sit around for up to 24 hours on sidings in switching yards in Chicago or Sioux City, as the wagons carrying them are uncoupled from one firm's locomotives and shunted to those of another.

ECONOMIST: Rolling stock