1.   Small leaks have a habit of becoming bigger, and with oil, any leak is a hazard, especially to the environment.

2.   The leak may have something to do with the position of the valve, but this frankly seems unlikely.

3.   He said even a more gradual leak could have fatal consequences.

4.   He said it is too early too determine what effects the leak will have on wildlife in the area.

5.   He said the leak would have no dangerous effects on the environment or people in the area.

6.   The Arab League meeting was called by the Palestinian Authority, which said any leaks could have dangerous effects on Gaza and the West Bank.

7.   US-SHUTTLE -- The astronauts on board Discovery are still concerned about the effect a fuel leak will have on their mission.