In some tests last year, a tiny leak developed in one of the engines.
There were indications that a leak may have developed in the tank many hours earlier.
Only a slight leak developed, which was quickly brought under control.
At some point, leaks developed in the roof and water has damaged many areas of the building.
Over many years leaks had developed and it was closed in 1954.
We've enough for about seven days, assuming that no leaks develop.
When people spend time on the roof, leaks can develop.
I believe that a small leak has developed in these pipes.
Suppose a real leak developed when there was no professional nurse available to set it right?
It was converted in the 1980s after serious leaks developed.