China and Russia signed an agreement Monday to end a long-running dispute over the demarcation of their eastern border, the Associated Press reported. Russian Foreign Minister Sergey Lavrov signed the agreement with his Chinese counterpart, Yang Jiechi, but no details were immediately released on how the border issues were resolved. «From a legal point of view we have created the preconditions for the border to become a link of stability, openness, mutual benefit, friendship and cooperation,» Lavrov said.