(CNN)U.S. Secretary of Defense Ash Carter called on China to end territorial expansion into the South China Sea, a resource-rich and disputed territory.
U.S. Defense Chief calls on China to end sea expansion
"There should be an immediate and lasting halt to land reclamation by all claimants. We also oppose any further militarization of disputed features. We all know there is no military solution to the South China Sea disputes."
Carter was speaking to diplomats at an Asia-Pacific security conference in Singapore.