In this Tuesday, Sept. 12020 file photo, an Indian army convoy moves on the Srinagar- Ladakh highway at Gagangeer, northeast of Srinagar, Indian-controlled Kashmir. (Photo: AP)

China and India on Tuesday accused each other’s troops of firing warning shots along a
disputed border , as tensions between the two nuclear powers continue to escalate despite holding talks to defuse the standoff, FOX news cited.

The incident is reportedly the first time shots have been fired along the Sino-Indian border in more than four decades, but both sides have blamed the other for violating bilateral agreements and taking "provocative" actions.

In a statement on Monday night, a spokesperson for the Chinese People's Liberation Army's Western Theater Command said Indian troops "illegally crossed" the Line of Actual Control (LAC), the loosely defined demarcation line that separates the two countries, and entered the Shenpao mountain region near the southern bank of Pangong Tso, a strategically located lake in the western section of the 2100 mile (3379 kilometer) long border.

"The Indian troops brazenly fired warning shots at Chinese border patrols troops who came up to negotiate, and the Chinese border troops were forced to take countermeasures to stabilize the situation," said Senior Colonel Zhang Shuili, the Chinese military spokesperson, without specifying what those "countermeasures" were.

Calling it a "serious military provocation," Zhang asked the India side to "immediately stop dangerous actions strictly restrain frontline troops and seriously investigate and punish personnel who fired shots to ensure similar incidents do not occur again.", CNN quoted.

India was quick to reject this version of events. The Indian army accused Chinese troops of “provocative activities” by attempting to move in on its troops positioned strategically along southern Pangong lake and then firing in the air to intimidate them.

“Despite the grave provocation, our troops exercised great restraint and behaved in a mature and responsible manner,” the Indian army said. “At no stage has the Indian army transgressed across the LAC or resorted to any use of aggressive means, including firing.", The Guardian quoted the Indian army.

The conflict area between India and China near Leh in Ladakh, India. (Photo: AP)

This is the believed to be first time shots have been fired along the Sino-Indian border since 1975 when four Indian soldiers were killed by Chinese troops in a remote pass on the eastern end of the border, according to Harsh V. Pant, a professor of International Relations at King's College, London.

CNN stated that China and India have been sparring over the area that surrounds the Pangong Tso Lake since the two fought a bloody border war in 1962. The Line of Actual Control, which passes through the lake, was established in the wake of the original conflict. Though it shows up on maps, India and China do not agree on its precise location and both regularly accuse the other of overstepping it, or seeking to expand their territory.

In 1996 the two countries signed an agreement which states that neither side shall open fire within 2 kilometers (124 miles) from the LAC to "prevent dangerous military activities."

Late last month, India accused China of making "provocative" military moves near the border “to change the status quo.” China denied this and accused Indian troops of crossing established lines of control.

According to FOX news, the conflict turned deadly in June when Indian officials said Chinese troops fought Indian soldiers atop a ridge in the narrow Galwan valley. The Chinese troops threw stones, punched and pushed Indian soldiers down the ridge at around 15000 feet, leaving 20 Indians dead, including a colonel. China did not report any casualties.