17 people who should never be allowed on a plane again
Think screaming toddlers on a flight are a nightmare? They've got nothing on some of the world's worst-behaved plane passengers in history - all of whom happen to be all adults.
Remember the woman who was kicked off a flight for repeatedly singing Whitney Houston's I Will Always Love You? She's one passenger we certainly wouldn't want to be sat next to on a plane. Another inconsiderate flyer brought her disruptive pig on board - yes, really. But it gets worse...
Occasionally there are travellers who don't abide by the rules, refusing to return to their seats and who don't buckle their seat belts when told - but can you imagine someone lighting up a cigarette next to you, then refusing to put it out even though smoking has been banned on flights for over 15 years?
But there are some incidents that have really left us speechless, such as when one American passenger slapped and racially abused a toddler who wouldn't stop crying. Or the man who urinated in the plane galley in front of his fellow passengers (he was arrested when the plane landed).
Want more? Browse our slideshow of the most shocking behaviour from the world's worst air passengers below.
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