China claims that Indian unmanned aerial vehicle (UAV) has crossed the border and crashed on its side.
When asked about supporting India's accession to the Nuclear Supply Group (NSG), the foreign ministry spokesman responded: "Our position on this issue has not changed".
The Indian Defence Ministry has advised troops stationed on the Chinese border to uninstall Chinese-made apps from their smartphones. "At the same time, the foreign ministers of the three countries will also exchange views on global and regional issues of common concern".
Starting in June this year, tensions flared again over a disputed region called the that borders China, Bhutan and the Indian state of Sikkim.
"The action of the Indian side violated China's sovereignty and it is not conducive to the peace and tranquillity of the border area and China is dissatisfied with this and lodged solemn representation with the Indian side", Geng said.
Zhang said that Chinese border troops "have conducted identification and verification over the vehicle".More news: Tennessee hires Alabama DC Pruitt as head coach
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"In regards to this matter, we express our strong dissatisfaction and opposition", Zhang was cited as saying in the Xinhua article posted on the ministry's website.
However, according to the Indian army, the drone had been "deployed on a training mission and has developed a technical problem".
Indeed, China appears to have monitored India with drones in the Himalayas for many years.
As late as August, India had rushed troops to Doklam Plateau and although an immediate conflict was avoided, heated rhetoric on both sides has soured relations. "We will. defend China's national sovereignty and security resolutely", he said. The source said the drone went missing earlier this week, but the exact date of the incident was not revealed.
The Chinese have reverted with the location details of the UAV.
Wang will attend a trilateral meeting with his counterparts from India and Russian Federation in Delhi on Monday to discuss "major worldwide and regional issues of common interest and trilateral practical cooperation". Wang will arrive in India Dec. 10.