The Olympics kick off in London just two weeks from now. Athletes are set to arrive this weekend.

But the British government has just called up 3,500 troops to help fill a gap in security personnel.

The deployment means that 17,000 troops will be on duty in the United Kingdom during the Games, compared with the 9,500 currently in Afghanistan.

Here at News Stream, we are always trying to "visualize" the news. We've added a category to the blog called, "Great graphics" if you'd like to see some others.