oil spill   (油流出)

Five people were killed when the oil spill caught on fire.

A freighter collided with a rig, followed by a huge oil spill.

The Exxon Valdez oil spill was the largest in United States history.

leadership spill   (リーダーシップ流出)

In December 1991 Paul Keating defeated Bob Hawke in a leadership spill.

In 1983, Bob Hawke became leader of the party after Hayden resigned to avoid a leadership spill.

The Gillard government lasted until 2013 when Gillard lost a leadership spill with Rudd becoming leader once again.