The ball went out of play and, when a ball boy took his time retrieving it, Hazard went to fetch it himself.

CNN: Eden a Hazard to Chelsea's public image?

Chelsea needed to score twice to take the game into extra time and it appeared Hazard lost his patience with Mr Morgan after the ball had gone out of play for a goal-kick.

BBC: Swansea ball boy: Police continue to investigate

Chelsea needed to score twice to take the game into extra time and it appeared Hazard lost his patience with the youngster after the ball had gone out of play for a goal kick.

BBC: Swansea ball boy Charlie Morgan tweets 'crazy 24 hours'

The time to worry about moral hazard is between financial crises, when policy makers have an opportunity to change the incentives of the financial system.

WSJ: Jenkins: Yes, Let's 'Bail In' Depositors

United grabbed the advantage for the third time just before the hour mark when Nani rounded off a flowing move only for Eden Hazard's 90th minute penalty to send the game into extra-time.

CNN: Chelsea lodge Clattenburg complaint

In addition to relationship pressures, having too much to do and too little time to do it can be a real emotional hazard.

CNN: Holidays bring on emotional hazards

Much of the time, market solutions that address information problems, moral hazard and other frictions in markets work reasonably well.

FORBES: Magazine Article

Leading 1-0 from the first leg in the Czech Republic, Chelsea's advantage was canceled out by David Lafata's first half goal before Belgium international Hazard struck superbly with just 15 seconds of normal time remaining.

CNN: Europa League holders Atletico Madrid dumped out

The sorry consequences of letting Lehman Brothers fail, which was intended to discourage moral hazard, showed that the middle of a crisis is not the time to get tough.

ECONOMIST: Financial economics

At the same time, windows and the sunroof are automatically closed, seat belts are tightened and your hazard lights go on, Audi explains.

FORBES: Audi May Tempt Buyers With Tech