Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Sino-Indian War:

"

The operation to occupy Thagla Ridge was flawed in that Nehru's directives were unclear, delaying it.[1] In addition, each man had to carry 35 kilograms (77 lb) over the long trek, greatly slowing the reaction.[6] By the time the Indian battalion reached the point of conflict, Chinese units controlled both banks of the Namka Chu River.[citation needed] On 20 September, Chinese troops threw grenades at Indian troops and a firefight developed, triggering a long series of skirmishes for the rest of September.[6]