Twitter can sure have a dark side. While its advantages are legion, the social network can also be a space for bigotry and hate, and the collapse of a crane in Mecca's Grand Mosque, which killed over 100 people, was a prime opportunity for just that.

The date of the accident coincided with the 14th anniversary to the September 11th attacks that claimed the lives of 2,996 people and saw the destruction of New York City's Twin Towers, the city's economic landmarks.

The Muslim-hating was strong on Twitter, with many people calling the incident "karma:"

But Twitter is also filled with people who were quick to shut down the accusations: