According to the news, American troops in Panama______.

The United States has announced that it’s to send one thousand more troops to Panama to increase security at Cuban refugee camps where riots broke out last week. Officials in Washington said that the troops will be added to the two thousand who are already in Panama. (7) More than 200 American soldiers were injured when the Cubans, angry at delays in moving them out of Panama, attacked their guards and broke out of the camps. The refugees have been in Panama since September.