The roof leaked...
The gas had apparently leaked from a cylinder...
The pool's fiberglass sides had cracked and the water had leaked out...
A large diesel tank mysteriously leaked its contents into the river.
...a leak in the radiator...
In May engineers found a leak in a hydrogen fuel line.
Last year, a civil servant was imprisoned for leaking a document to the press...
He revealed who leaked a confidential police report...
We don't know how the transcript leaked.
...a leaked report.