Diplomacy fails to defuse India, China border crisis: sources

By Sanjeev MiglaniNEW DELHI (Reuters) - India's diplomatic efforts to end a seven-week military standoff with China have hit a roadblock, people briefed on the talks said, prompting Chinese state-run media to trumpet rhetoric of "unavoidable countermeasures" on the unmarked border.China has insisted that India unilaterally withdraw its troops from the remote Doklam plateau claimed by both Beijing and Indian ally Bhutan.In the low-key diplomatic maneuvers that took place outside the public eye, t