The United States offered condolences to India on Friday over the deaths of 20 Indian soldiers killed in vicious hand-to-hand combat with Chinese troops during a clash on the two Asian giants disputed mountainous border earlier this week.

Tensions remain high, despite the two governments agreeing they would seek to de-escalate the confrontation in the western Himalayas, after the deadliest clash between the two nuclear-armed countries in more than five decades.

Since the clash, military officials have held talks but there is no sign of a breakthrough.