Another border clash with China - tho it sound as if it wasn't that serious
https://www.bbc.com/news/world-asia-55793112
up at the or near the Nathu Pass Crossing Point - interesting place - if you go on Google Earth there are quite a few pictures taken from the Indian side
The LOC looks pretty well delineated there - probably a punch up about some-one straying (I'd guess Indian as they're playing it down) over the line to retrieve their cap or paint the wall from the other side