As the U.S. and allied forces push toward Raqqa, Syria, to retake the ISIS stronghold, the world is watching.
This week, the United Nations reported the largest increase in casualties since the start of the conflict.
In addition to more than 1,200 U.N. peacekeepers killed, more than 40,000 people have been displaced.
And there is the continued presence of ISIS fighters in the city.
The U.K. is also sending troops to help, and in a rare public announcement, the U