WASHINGTON, March 23 (Xinhua) -- A U.S. Park Police officer was shot in southeast Washington D.C. Monday night and was transported to a hospital "in critical condition," the D.C. Police Union said.

NEW YORK, March 24 (Xinhua) -- Two people were killed Tuesday morning after a shooting near the Indian River County Main Library in Vero Beach in the U.S. state of Florida, police said. The Vero Beach ...