During the ballot, London was chosen to host the 2012 Olympics.
No. Jamaica is not going to host the Olympics.
London was the host city for the 2012 Summer Olympics.
The Olympics is being held in London this year, because it was voted to be the host city after submitting to the Olympics board. This is also the same reason why Brazil is going to host the Olympics in 2016.
London will host the 2012 Olympics
It is unknown when London will host the Olympics again, but whenever it is it will not likely to occur until at least 2080.
The clues in the name London is where it was hosted
will host London will host the Olympics in a few days.