A US Navy ship had an "unsafe" interaction with a Chinese warship Sunday while the US vessel was conducting a freedom of navigation operation near the disputed Spratly Islands in the South China Sea, causing the US ship to maneuver "to prevent a collision," according to US defense officials. "A (People's Republic of China) Luyang destroyer approached USS Decatur in an unsafe and unprofessional maneuver in the vicinity of Gaven Reef in the South China Sea," Capt. Charles Brown, a spokesman for US Pacific Fleet, told CNN in a statement confirming the incident. Brown said the Chinese warship "conducted a...