Indian Border Security Force (BSF) soldiers China border Gagangir Leh
Indian Border Security Force (BSF) soldiers guard a highway leading towards Leh, bordering China, in Gagangir on June 17, 2020. The long-running border dispute between Asian nuclear powers India and China turned deadly for the first time in nearly half a century after at least 20 Indian soldiers were killed in a "violent face-off", the army said on June 16. Image Credit: AFP

New Delhi/Beijing: The Indian army has said at least 20 of its soldiers were killed after hand-to-hand fighting with Chinese troops at a disputed border site on Monday night, in the deadliest clash between the two Asian giants in decades.

China said its troops were engaged in a “violent physical confrontation” with Indian soldiers, but has given no details of those killed or wounded.

The Indian army and India’s foreign ministry have said both sides suffered casualties after their troops clashed, even as the two countries were trying to resolve a weeks-long border standoff.

Here are the key details:

Where was the fighting?

The clashes took place at a disputed border site in the Galwan area of Ladakh, in the western Himalayas, where Indian and Chinese troops have been facing off. The area is at an altitude of around 14,000 feet, where temperatures often fall to under zero degrees Celsius.

The disputed site lies amid remote jagged mountains and fast flowing rivers on the northern tip of India, abutting the Aksai Chin plateau that is claimed by India but is administered by China.

An Indian army convoy makes way towards Leh, bordering China, in Gagangir
An Indian army convoy makes way towards Leh, bordering China, in Gagangir on June 17, 2020. Image Credit: AFP

What happened?

Since early May, hundreds of Indian and Chinese soldiers have confronted each other at three locations along their border, each side accusing the other of trespassing.

The clashes at Galwan took place on Monday night even as both armies were trying to de-escalate the stand-off, with military commanders having met for talks in recent days.

During discussions, soldiers from China’s People’s Liberation Army turned on a group of Indian troops, which included an officer, attacking them with iron rods and stones, an Indian government source said.

No shots had been fired, the source said.

India’s foreign ministry spokesman Anurag Srivastava said that the “violent face-off” was the result of an attempt by the Chinese side to unilaterally change the status quo.

Chinese officials said that Indian troops had twice crossed the Line of Actual Control (LAC), the de facto border, and launched an attack, triggering a fierce physical confrontation.

Zhao Lijian, a Chinese foreign ministry spokesman, said that “the Indian side severely violated our consensus and twice crossed the border line and provoked and attacked the Chinese forces.”

China troops border India clashes Leh Ladakh
In this May 5, 2013, file photo, Chinese troops hold a banner which reads: "You've crossed the border, please go back" in Ladakh, India. Image Credit: AP

Why now?

Military experts say one reason for the current face-off is that India has been building roads and airfields to improve connectivity and narrow the gap with China’s superior infrastructure on its side of the LAC.

At Galwan, India completed a road leading to an airfield last October. This was opposed by China, which asked India to stop all construction.

India says it is operating on its side of the LAC.

History of clashes

A past agreement between the two sides stipulates patrols should not open fire near the LAC. Violent, high-altitude disputes have erupted several times without guns being involved.

The deaths were the first since a major border clash in 1967 between the nuclear-armed neighbours, which are also the world’s two most populous countries. Hundreds were killed in those battles.

Both countries claim vast swathes of each other’s territory along their Himalayan border, with some disagreements rooted in demarcations by British colonial administrators of India.

India and China fought a brief but bloody border war in 1962 and distrust has occasionally led to flare-ups ever since.

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Infrastructure building near or within disputed territories is often blamed for increases in tensions.

The LAC is largely based on the ceasefire line after the war in 1962, but both sides disagree on where it lies.

The last major dispute took place in 2017 on the remote Doklam plateau near the borders of India, Bhutan, and China, at the eastern end of the 4,056km long border.

After a tense standoff both sides agreed to an “expeditious disengagement” of troops, according to India’s foreign ministry.

Did China suffer casualties?

The Chinese Army suffered 35 casualties during the violent clash with the Indian military in eastern Ladakh’s Galwan Valley, official sources in India said on Wednesday quoting US intelligence reports. The figure could be a combination of total number of soldiers killed and seriously wounded, they added, PTI reported.

China has not yet talked about the number of casualties suffered by the People’s Liberation Army during the clash.

On Wednesday, Defence Minister Rajnath Singh reviewed the overall situation in eastern Ladakh with Chief of Defence Staff Gen Bipin Rawat and the three service chiefs.

Last night, Prime Minister Narendra Modi held a meeting with the Defence minister as well as Home Minister Amit Shah, Foreign Minister S Jaishankar, Finance Minister Nirmala Sitharaman and Army Chief General MM Naravane on the situation in the region.

How has Prime Minister Modi reacted?

India’s Prime Minister Narendra Modi on Wednesday called for an all-party meeting to be held on June 19 to discuss the situation at the border areas with China.

The virtual conference meeting, presided by PM Modi, will be attended by presidents of various political parties in India, a tweet by the PMO said.

What is China saying?

China says it has agreed with India to peacefully resolve their Himalayan border tensions following the most violent confrontations in decades.

Foreign ministry spokesman Zhao Lijian told reporters at a Wednesday briefing that “both sides agree to resolve this matter through dialogue and consultation and make efforts to eases the situation and safeguard peace and tranquility in the border area.”

Zhao repeated Chinese claims that the clashes, in which an Indian officer and 19 soldiers were reportedly killed and many more injured, came after India forces ``provoked and attacked Chinese personnel, which lead to fears, physical confrontation between the two sides’ border troops and resulted in casualties.”

China has not said if any of its troops were injured or killed.

- with inputs from Reuters, agencies