3 things that could get you kicked off a flight

We've all read stories of passengers getting kicked off planes.

Just the other day, news of  a 50-year old woman from Slovakia who was handcuffed off an Air Berlin flight for using a business class toilet as an economy class passenger made headlines across the world.

This led us to wonder what offences could possibly be grave enough to force an emergency landing and get an erring passenger thrown off a flight?

Here are 3 such reasons.