China on Thursday said an Indian drone "invaded" its airspace and crashed in its territory in the Sikkim section of the border where the two countries were locked in a 73-day military stand-off. New Delhi said the drone crossed the border by mistake, and China had been informed about it.
The claim was first made by Zhang Shuili, deputy head of the combat bureau of Chinas' Western Theater Command's joint staff department, who said an Indian UAV had recently intruded into China's airspace and crashed. Later, the Chinese Foreign Ministry said it has lodged a protest with India over the issue